What Is An Executable file

WHAT IS A FILE? A computer file is a computer resource for recording data in a computer storage device. Just as words can be written to paper, so can data be written to a computer file. Files can be edited and transferred through the Internet on that particular computer system. Computer files are the most basic unit of data that users can store on a disk. Every program, image, video, song and document is stored as a file. ... Definition of Record A record is a collection of related data items or fields. FILES AND FOLDERS DIFFERENCE A file is the common storage unit in a computer, and all programs and data are "written" into a file and "read" from a file. A folder holds one or more files, and a folder can be empty until it is filled.


WHAT IS ELECTRONIC MAIL? Electronic mail is a method of exchanging messages between people using electronic devices. Email entered limited use in the 1960s, but users could only send to users of the same computer, and some early email systems required the author and the recipient to both be online simultaneously, similar to instant messaging. Short for electronic mail, e-mail or email is information stored on a computer that is exchanged between two users over telecommunications. More plainly, e-mail is a message that may contain text,files,images, or other attachments sent through a network to a specified individual or group of individuals. TYPES OF EMAIL Newsletters Newsletters are the most popular type of email, with 83 percent of companies sending them. These emails are typically sent on a consistent schedule (weekday mornings tend to be

Analysis Of electronic data interchange

WHAT S DATA? Data are units of information, often numeric, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum is a single value of a single variable.  TYPES OF DATA Qualitative Data Type Qualitative or Categorical Data describes the object under consideration using a finite set of discrete classes. It means that this type of data can’t be counted or measured easily using numbers and therefore divided into categories. The gender of a person (male, female, or others) is a good example of this data type. These are usually extracted from audio, images, or text medium. Another example can be of a smartphone

Domain Configuration Overview

WHAT IS A DOMAIN NAME? Domain name is the address of your website that people type in the browser URL bar to visit your website. In simple terms, if your website was a house, then your domain name will be its address. A more detailed explanation: The Internet is a giant network of computers connected to each other through a global network of cables. Each computer on this network can communicate with other computers. To identify them, each computer is assigned an IP address. It is a series of numbers that identify a particular computer on the internet. A typical IP address looks like this: Now an IP address like this is quite difficult to remember. Imagine if you had to use such numbers to visit


What is DNS Web hosting? DNS stands for “Domain Name System”. It's a system that lets you connect to websites by matching human-readable domain names (like wpbeginner.com) with the unique ID of the server where a website is stored. Think of the DNS system as the internet's phonebook. A DNS hosting service is a service that runs Domain Name System servers. Most, but not all, domain Name Registrars include DNS hosting service with registration. Free DNS hosting services also exist. Many third-party DNS hosting services provide Dynamic DNS. DNS hosting service is optimal when the provider has multiple servers in various geographic locations that provide resilience and minimize latency for clients around the world. By operating DNS nodes closer to end users, DNS queries travel a much shorter distance, resulting in faster Web address resolution speed. DNS can also

An Overview Of Distributed Computing System

WHAT IS DISTRIBUTED COMPUTING? Distributed computing is a field of computer science that studies distributed systems. A distributed system is a system whose components are located on different networked computers, which communicate and coordinate their actions by passing messages to one another from any system. A distributed system, also known as distributed computing, is a system with multiple components located on different machines that communicate and coordinate actions in order to appear as a single coherent system to the end-user. Overview The machines that are a part of a distributed system may be computers, physical servers, virtual machines, containers, or any other node that can connect to the network, have local memory, and communicate by passing messages. WHAT IS DISTRIBUTED COMPUTING SYSTEM? A distributed computer system consists of

Directx Graphics Infrastructure

What is DirectX computer graphics?DirectX is an application program interface (API) for creating and managing graphic images and multimedia effects in applications such as games or active Web pages that will run in Microsoft's Windows operating systems. ... DirectX is part of Microsoft's larger vision of an object-oriented development environment. DirectX is an application program interface (API) for creating and managing graphic images and multimedia effects in applications such as games or active Web pages that will run in Microsoft's Windows operating systems. (Such an application program might be written in C++, or Visual C/C++, or Java.) The capability to "play" DirectX applications comes as an integrated part of Microsoft's Internet Explorer Web browser. (A 3-D player is optionally downloadable.) The DirectX Software Development Kit (SDK) includes tools that let a developer

Digital Audio Receiver 5.1

What is an audio receiiver An audio/video receiver (AVR) is a consumer electronics component used in a home theater. Its purpose is to receive audio and video signals from a number of .. An audio/video receiver (AVR) is a consumer electronics component used in a home theater. Its purpose is to receive audio and video signals from a number of sources, and to process them and provide power amplifiers to drive loudspeakers and route the video to displays such as a television, monitor or video projector. An audio/video receiver (AVR) is a consumer electronics component used in a home theater. Its purpose is to receive audio and video signals from a number of sources, and to process them and provide power amplifier to drive loudspeakers and route the video to displays such as a television, monitor or video projector. Inputs may come from a satellite receiver, radio


What Does Dial-Up Connection Mean? A dial-up connection uses a standard phone line and analog modem to access the Internet at data transfer rates (DTR) of up to 56 Kbps. A dial-up connection is the least expensive way to access the Internet, but it also slowest connection. A dial-up connection is established when two or more communication devices use a public switched telephone network (PSTN) to connect to an Internet service provider (ISP). Many remote areas depend on Internet dial-up connections because broadband and cable are rare in remote areas with low population numbers. ISPs often provide free dial-up connections, a viable alternative for budget-conscious subscribers. Computer networking enables devices and endpoints to be connected to each other on a local area network LAN or to

Understanding The Benefits Of Dhcp Client Server Architecture

Dynamic Host Configuration Protocol The Dynamic Host Configuration Protocol(DHCP) is a network management protocol used on Internet Protocol networks for automatically assigning IP addresses and other communication parameters to devices connected to the network using a client–server architecture. Dynamic Host Configuration Protocol (DHCP) is a network management protocol used to automate the process of configuring devices on IP networks, thus allowing them to use network services such as DNS, NTP, and any communication protocol based on UDP or TCP. A DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks. DHCP is an enhancement of an older protocol called BOOTP. DHCP is an important part of

What Is Desktop Publishing In Computer

Desktop publishing is the production of page designs with your computer using a special DTP software that integrates text and images. The first DTP software was released in the mid-80s and desktop-publishing skyrocket from there. In the early 90s desktop publishing had almost completely replaced previous technologies used for that purpose When was desktop publishing invented? 1985Desktop publishing began in 1985 with the introduction of PageMaker software from Aldus and the LaserWriter printer from Apple Computer for the Apple Macintosh computer. What is the desktop publishing process? Desktop publishing is the process of using computer software to combine and rearrange text and images and create digital files that are either sent to a commercial printer for printing or printed directly from a desktop printer. What are the types of desktop publishing? Publications fall

What Does Desktop Management Interface Mean

WHAT IS COMPUTER DESKTOP? A desktop is a term commonly used to describe a desktop computer or system unit. 2. When referring to an operating system or GUI (graphical user interface), the desktop is a system of organization of icons on a screen. The Microsoft Windows desktop was first introduced with Microsoft Windows 95 and included with every version of Windows since then. The image below is an example of the Microsoft Windows. What is the use of desktop computer? A desktop computer is a computer that fits on or under a desk. They utilize peripheral devices for interaction, such as a keyboard and mouse for input, and display devices like a monitor, projector, or television. WHAT IS COMPUTER INTERFACE? In computing, an interface is a shared boundary across which two or more separate components of a computer system exchange information. The exchange can be between

Desktop Application Vs Web Application

WHAT IS AN APPLICATION IN COMPUTING? The term Application refers to Software which is a set of instructions or code written in a program for executing a task or an operation in a Computer. Applications play a vital role in a Computer as it is an end-user program that enables the users to do many things in a system. The application programs are designed and developed to run in a System Software which is an Operating system. An Operating System is system software that enables al the applications programs to run and execute various tasks in a Computer system. The GUI based applications carries out various tasks in a Computer like creating documents, playing games, browsing and many more. Types of Application

Default Network Adapter For Windows 10

What is a Network Adapter? A Network Adapter is a device that is designed to improve your home network using the existing wiring in your home. Typically adapter “kits” come in packs of two as the adapters are designed to communicate with each other through the wiring. Normally you connect one of these to or near to your router and the other near to devices that you want to connect to the Internet (like a computer or set-top-box).  One end accepts the Internet data and shoots it through the wiring to the other device at the other end. Types of Adapters There are a few types of adapters based on different technologies. Powerline Adapters plug in to the electrical outlets in your home and extend WiFi

What Does Dns Client Service Do

WHAT IS DNS? The Domain Name System is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities The Domain Name System (DNS) is the phonebook of the Internet. Humans access information online through domain names, like nytimes.com or espn.com. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP Addresses so browsers can load Internet resources. Each device connected to the Internet has a unique IP address which other machines use to find the device. DNS servers eliminate the need for humans to memorize IP addresses such as (in IPv4), or more complex newer alphanumeric

Default Gateway In Networking:How to find the default gateway’s IP address

WHAT IS A COMPUTER NETWORK? A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. NETWORK TYPES What are the 4 types of networks?A computer network is mainly of four types: LAN(Local Area Network)PAN(Personal Area Network)MAN(Metropolitan Area Network)WAN(Wide Area Network) WHAT IS NETWORKING? Networking, also known as computer networking, is the practice of transporting and exchanging data between nodes over a shared medium in an information system. Networking comprises not only the design, construction and use of a network, but also the management, maintenance and operation of the network infrastructure, software and policies. Computer networking enables devices and endpoints to be connected to each other on a local area network (LAN) or

What Is Database Mirroring:Procedure to Configure Database Mirroring in SQL Server

WHAT IS A DATABASE? A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). ... The data can then be easily accessed, managed, modified, updated, controlled, and organized. Types of databases There are many different types of databases. The best database for a specific organization depends on how the organization intends to use the data. Relational databases became dominant in the 1980s. Items in a relational database are organized as a set of tables with columns and rows. Relational database technology

Data Migration Process:How to plan a data migration

WHAT IS DATA? Computer data is information processed or stored by a computer. This information may be in the form of text documents, images, audio clips, software programs, or other types of data. Computer data may be processed by the computer's CPU and is stored in files and folders on the computer's hard disk. At its most rudimentary level, computer data is a bunch of ones and zeros, known as binary data. Because all computer data is in binary format, it can be created, processed, saved, and stored digitally. This allows data to be transferred from one computer to another using a network connection or various media devices. It also does not deteriorate over time or lose quality after being used multiple times. Data are units of information, often numeric, that are collected

Tools For Database Maintenance

What is Data? In simple words, data can be facts related to any object in consideration. For example, your name, age, height, weight, etc. are some data related to you. A picture, image, file, pdf, etc. can also be considered data. WHAT IS A DATABASE? A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques.  What is Database? A database is a systematic collection of data. They support electronic storage and manipulation of data. Databases make data management easy. Let us discuss a database example: An online telephone directory uses a database to store data of people, phone numbers, and other contact details. Your

Database Console Commands

WHAT IS A DATABASE? A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques TYPES OF DATABASE Four types of database management systems A relational database management system is one of four common types of systems you can use to manage your business data. The other three include: hierarchical database systemsnetwork database systemsobject-oriented database systems Hierarchical database model resembles a tree structure, similar to a folder architecture in your computer system. The relationships between records are pre-defined in a one to one manner, between 'parent and child' nodes. They require the user to pass a hierarchy in order to access needed data. Due to limitations, such databases

Data Management Gateway Service:How To Setup the Data Management Gateway Client

Data Management comprises all disciplines related to managing data as a valuable resource Data management is the process of ingesting, storing, organizing and maintaining the Data created and collected by an organization. Effective data management is a crucial piece of deploying the IT systems that run business applications and provide analytical information to help drive operational decision-making and strategic planning by corporate executives, business managers and other end users. The data management process includes a combination of different functions that collectively aim to make sure that the data in corporate systems is accurate, available and accessible. Most of the required work is done by IT and data management teams, but business users typically also participate in some parts of the process to ensure

Types Of Data Encryption Standard

What do you mean by data encryption standard? The Data Encryption Standard (DES /ˌdiːˌiːˈɛs, dɛz/) is a symmetric-key algorithm for the encryption of digital data. ... The intense academic scrutiny the algorithm received over time led to the modern understanding of block ciphers and their cryptanalysis. DES is insecure due to the relatively short 56-bit key size. The Data Encryption Standard is a symmetric-key algorithm for the encryption of digital data. Although its short key length of 56 bits makes it too insecure for applications, it has been highly influential in the advancement of cryptography TYPES OF DATA ENCRYPTION STANDARD The various encryption types The three major encryption types are DES, AES, and RSA. While there are many kinds of encryption - more than can easily be explained here - we will take a look at these three

Data Api Meaning:How To Analyze Data?

WHAT IS DATA? Since the invention of computers, people have used the term data to refer to computer information, and this information was either transmitted or stored. But that is not the only data definition; there exist other types of data as well. So, what is the data? Data can be texts or numbers written on papers, or it can be bytes and bits inside the memory of electronic devices, or it could be facts that are stored inside a person’s mind Data are units of information, often numeric, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum is a

What Is Cvv On Atm Card?How do CVVs protect against fraud?

What is CVV? CVV stands for Card Verification Value. This number is vital for completing online transactions and should never be shared with anyone. The CVV number is generated by debit card issuers (banks or other financial institutions) based on the following details: A CVV is the three- or four-digit number on your card that adds an extra layer of security when making purchases online or over the phone. It serves to verify that you have a physical copy of the card in your possession and helps protect you if your card number falls into the hands of hackers and identity thieves. How do I locate the CVV in a debit card? Locating the CVV is simple. It is the three-digit number at the back of your debit card. For

What Is a Custom Subnet Mask

What is Subnet Mask? A subnet mask is a 32-bit number created by setting host bits to all 0s and setting network bits to all 1s. In this way, the subnet mask separates the IP address into the network and host addresses. The “255” address is always assigned to a broadcast address, and the “0” address is always assigned to a network address. Neither can be assigned to hosts, as they are reserved for these special purposes. The IP address, subnet mask and gateway or router comprise an underlying structure—the Internet Protocol—that most networks use to facilitate inter-device communication. When organizations need additional subnetworking, subnetting divides the host element of the IP address further into a subnet. The goal of subnet masks are simply

Cryptographic Algorithms Definition:What is the best cryptographic algorithm?

WHAT IS CRYPTOGRAPHY? Definition: Cryptography is associated with the process of converting ordinary plain text into unintelligible text and vice-versa. It is a method of storing and transmitting data in a particular form so that only those for whom it is intended can read and process it. Cryptography not only protects data from theft or alteration, but can also be used for user authentication. Cryptography, or cryptology, is also the practice and study of techniques for secure communication in the presence of third parties called adversaries  Earlier cryptography was effectively synonymous with encryption but nowadays cryptography is mainly based on mathematical theory and computer science practice. Modern cryptography concerns with: Confidentiality - Information cannot be understood by anyone Integrity - Information cannot be altered. Non-repudiation - Sender

Ubuntu Core Web Server

WHAT IS A WEB SERVER? Definition of 'Web Server' Definition: A web server is a computer that runs websites. It's a computer program that distributes web pages as they are requisitioned. The basic objective of the web server is to store, process and deliver web pages to the users. This intercommunication is done using Hypertext Transfer Protocol (HTTP). These web pages are mostly static content that includes HTML documents, images, style sheets, test etc. Apart from HTTP, a web server also supports SMTP (Simple Mail transfer Protocol) and FTP (File Transfer Protocol) protocol for emailing and for file transfer and storage. Description: The main job of a web server is to display the website content. If a web server is not exposed to the public

Windows Deployment Command-Line Tools

What is meant by command line? The command line is a blank line and cursor on the screen, allowing the user to type in instructions for immediate execution. All major operating systems (Windows, Mac, Unix, Linux, etc.) ... After typing a command, it is executed by pressing the Enter key. A command-line interface processes commands to a computer program in the form of lines of text. The program which handles the interface is called a command-line interpreter or command-line processor. What is the command line in Windows? The command line, also called the Windows command line, command screen, or text interface, is a user interface that's navigated by typing commands at prompts, instead of using a mouse. For example, the Windows folder in a Windows command line is "C:\Windows>" (as shown in the picture) How does command line work? CLI allows a

Cluster Network Advantages And Disadvantages

A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. WHAT IS CLUSTER NETWORK? A cluster network is two or more computing devices working together for a common computing purpose. These networks take advantage of the parallel processing power of the computing devices. In addition to the increased processing power, shared computing resources in a cluster network also can provide scalability, high availability, and failover capabilities should one computing device have a problem. There are three basic types of computing clusters: load-balancing clusters, high availability clusters, and high-performance clusters. Load-balancing clusters consist of two or more computing systems, also called nodes. The workload of

Client Server Architecture In Computer Network

A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. Computer network, is defined as two or more computers that are connected with one another for the purpose of communicating data electronically. What is computer network and types? Two basic network types are local-area networks (LANs) and wide-area networks (WANs). LANs connect computers and peripheral devices in a limited physical area, such as a business office, laboratory, or college campus, by means of links (wires, Ethernet cables, fibre optics, Wi-Fi) that transmit data rapidly. Client-server architecture, Client server architecture of a computer network is a situation  in which many clients (remote processors) request and receive service from a centralized server (host computer). Client computers provide an interface

Analysis Of Client Virtualization Handler Service

Client virtualization is a virtual machine (VM) environment in the user's machine. Also called "endpoint virtualization," the user's computer hosts multiple VMs, each of which contains an operating system and set of applications. The terms desktop virtualization and client virtualization are used synonymously; however, desktop virtualization also means using a central server to host the VMs. For examples of client virtualization software, What is client virtualization used for? A decade ago, the goal of client virtualization was to use a virtual machine for a one-off scenario or workload. Today, the goal is to support a heterogeneous environment and provide maximum productivity by allowing a single user to multi-task with multiple VMs seamlessly running the applications. TYPES OF CLIENT VIRTUALIZATION The three types of client virtualization According to

Challenge Handshake Authentication Protocol Advantages And Disadvantages

In telecommunications, a handshake is an automated process of negotiation between two participants through the exchange of information that establishes the protocols of a communication link at the start of the communication, before full communication begins. What is meant by a handshaking protocol?• The process when one device sends a message to another device by initiating the communications with the use of communication channels. • The handshake protocols begin to establish a connection between a computer and a device. How does a handshake protocol work? The SSL handshake process is as under: ... Both parties agree on a single cipher suite and generate the session keys (symmetric keys) to encrypt and decrypt the information during an SSL session. Finally, both client and server exchanges encrypted message to

Cellular Network Advantages

A cellular network or mobile network is a communication network where the link to and from end nodes is wireless. The network is distributed over land areas called "cells", each served by at least one fixed-location transceiver. A Cellular network or Mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. What is cellular network used for? Cellular networks are high-speed, high-capacity voice and data communication networks with enhanced multimedia and seamless roaming capabilities for supporting cellular devices. With the increase in popularity of cellular devices, these networks are used for more than just entertainment and phone calls. How does cellular network work? Very simply, a mobile phone network is made-up of a large number of geographic areas called 'cells'. ... Within these cells are mobile base stations

What Is CDMA Network Technology

CDMA VS. GSM. CDMA stands for “Code Division Multiple Access.” GSM stands for “Global System for Mobiles.” They are 2 radio networks used by wireless carriers.  If the GSM/CDMA divide has popped up on your radar, it’s likely because you tried to transfer a phone from one carrier’s service to another and encountered roadblocks. Many that were designed to operate on one type of network are incompatible with the other. Depending on the specific phone and the carrier, you might have found that you were ineligible to transfer a device you owned to a new carrier’s network Both CDMA and GSM are multiple-access technologies, meaning they allow multiple calls or data connections on one radio channel. GSM transforms calls into digital data, gives

Brute Force Attack Meaning:How Users Can Strengthen Passwords Against Brute Force Attacks

DEFINITION In cryptography, a brute-force attack consists of an attacker submitting many passwords or passphrases with the hope of eventually guessing a combination correctly. The attacker systematically checks all possible passwords and passphrases until the correct one is found A brute force attack uses trial-and-error to guess login info, encryption keys, or find a hidden web page. Hackers work through all possible combinations hoping to guess correctly. These attacks are done by ‘brute force’ meaning they use excessive forceful attempts to try and ‘force’ their way into your private account(s). This is an old attack method, but it's still effective and popular with hackers. Because depending on the length and complexity of the password, cracking it can take anywhere from a few seconds to

What Is The Meaning Of Broadband Connection

Definition Broadband is the transmission of wide bandwidth data over a high speed internet connection. According to the FCC, the definition of broadband internet is a minimum of 25 Mbps download and 3 Mbps upload speeds. Broadband provides high speed internet access via multiple types of technologies including fiber optics, wireless, cable, DSL and satellite. In telecommunications, broadband is wide bandwidth data transmission which transports multiple signals and traffic types. The medium can be coaxial cable, optical fiber, radio or twisted pair. Broadband is a high-capacity transmission technique using a wide range of frequencies, which enables a large number of messages to be communicated simultaneously."it's important to have a firewall if you have broadband" What broadband speed do I need? Streaming HD videos, gaming and

Boot Configuration Data (Bcd)

What is boot configuration data? What is a boot configuration data file? Boot Configuration Data (BCD) is a firmware-independent database for boot-time configuration data. It is used by Microsoft's new Windows Boot Manager and replaces the boot. ini that was used by NTLDR. What does it mean when the boot configuration data is missing? The Boot Configuration Data file is missing some required information. You'll need to use the recovery tools on your installation media. If you don't have any installation media (like a disc or USB device), contact your system administrator or PC manufacturer." How to Fix a 'Boot Configuration Data File is Missing' Error in Windows 10 You have Windows 10 on your laptop. It was there yesterday. But now, when you turn on your computer, you're greeted with error code 0xc0000034, "The Boot Configuration Data

Binary Transfer Protocol

What Does Binary File Transfer (BFT) Mean? Binary file transfer (BFT) describes the syntax and semantics required to represent data files that are transferred using fax modems. Binary file transfer is a standard used to transmit data files through protocols of different telematic services, including Telefax Group 3 and 4, Teletex and Data Transfer and Manipulation (DTAM) normal mode. Binary files hold data types encoded in binary form for computer processing and storage. Binary files are made up of byte sequences where the binary digits are grouped in eights. They may contain text, images and compressed versions of other files or sounds. A few binary files have headers within them. If they do not contain headers, they are called flat binary files.In

Biometric Authentication Meaning

WHAT IS BIOMETRICS? Biometrics definition Biometrics are physical or behavioral human characteristics to that can be used to digitally identify a person to grant access to systems, devices or data. Examples of these biometric identifiers are fingerprints, facial patterns, voice or typing cadence. Each of these identifiers is considered unique to the individual, and they may be used in combination to ensure greater accuracy of identification. Biometrics are body measurements and calculations related to human characteristics.Biometrics has the potential to make authentication dramatically faster, easier and more secure than traditional passwords, but companies need to be careful about the biometric data they collect. Because biometrics can provide a reasonable level of confidence in authenticating a person with less friction for the user, it has the

Application Gateway Configuration

What Does Application Gateway Mean? An application gateway or application level gateway (ALG) is a firewall proxy which provides network security. It filters incoming node traffic to certain specifications which mean that only transmitted network application data is filtered. Such network applications include File Transfer Protocol (FTP), Telnet, Real Time Streaming Protocol (RTSP) and BitTorrent. Application-level gateway  application layer gateway, application gateway, application proxy, or application-level proxy) is a security component that augments a firewall or NAT employed in a computer network. Application gateways provide high-level secure network system communication. For example, when a client requests access to server resources such as files, Web pages and databases, the client first connects with the proxy server, which then establishes a connection with the main server. The application gateway resides on the client and

Web Server Backend Architecture

WHAT IS A SERVER? In computing, a server is a piece of computer hardware or software that provides functionality for other programs or devices, called "clients". This architecture is called the client–server model. A server is also a computer that serves information to other computers. These computers, called clients, can connect to a server through either a local area network or a wide area network, such as the internet. A server is a vital piece of your IT infrastructure FEATURES OF A SERVER? Key Features of a Server All servers have some key components as well as other, optional components. Since we all enjoy servers each time we go online, it is a good idea to gain a basic overview of how they work by looking at their individual components. Motherboard First, there’s

Ssl Encryption Meaning

What is an SSL? SSL stands for Secure Sockets Layer and, in short, it's the standard technology for keeping an internet connection secure and safeguarding any sensitive data that is being sent between two systems, preventing criminals from reading and modifying any information transferred, including potential personal details. The two systems can be a server and a client (for example, a shopping website and browser) or server to server (for example, an application with personal identifiable information or with payroll information). It does this by making sure that any data transferred between users and sites, or between two systems remain impossible to read. It uses encryption algorithms to scramble data in transit, preventing hackers from reading it as it is sent over

Bandwidth Allocation Control Protocol

Dynamically add or drop links on demand. Are PPP control protocols. Provide bandwidth on demand. 10. WHAT IS BANDWIDTH? Definition The maximum amount of data transmitted over an internet connection in a given amount of time. Bandwidth is often mistaken for internet speed when it's actually the volume of information that can be sent over a connection in a measured amount of time – calculated in megabits per second (Mbps). What's the difference? Some internet terms are so similar that they’re often confused with each other. We're here to help set the record straight. Bandwidth vsspeed Bandwidth is how much information you receive every second, while speed is how fast that information is received or downloaded. Let's compare it to filling a bathtub. If the bathtub faucet has a wide

What Is Application Endpoint

WHAT IS AN APPLICATION? Simply put, an app is a type of software that allows you to perform specific tasks. Applications for desktop or laptop computers are sometimes called desktop applications, while those for mobile devices are called mobile apps. When you open an application, it runs inside the operating system until you close it. Most of the time, you will have more than one application open at the same time, which is known as multi-tasking. App is a common term for an application, especially for simple applications that can be downloaded inexpensively or even for free. Many apps are also available for mobile devices and even some TVs. FEATURES OF AN APPLICATION Must have mobile app features include: Simplicity. Many people have short attention spans and if you make you app difficult to navigate then they will lose interest fast. ...Speed. Fast loading screens are

Application Monitoring And Error Tracking

What is application error Monitoring? No piece of software will ever reach a state of perfection, especially in today’s world of complex products and multi-layered technologies. To get a simple web application up and running, a development team must rely on integration between cloud virtual machines, database instances, and networking equipment. If any piece of that communication chain falters, or if an end user performs an unexpected or unsupported action on their end, the application will experience an error. Error handling is a key principle of programming, regardless of what language or platform your development team uses. Every piece of code should account for all possible outcomes and provide logic for how to mitigate issues that may appear. But robust

Application Delivery Network (Adn)

What is application delivery? Application delivery refers to the pool of services that combine to provide application functionality, usually web-based software applications, from the data centers or cloud environments where the required data processing and computing is executed to the application clients or end-users over the internet. The services for delivering applications on a network infrastructure aim to provide a reliable user experience by providing, load balancing, security latency and TCP optimizations which combine to provide application content seamlessly. Business IT teams’ role in application delivery focuses on how applications are architected and managed within the data center, and cloud hosting services. APPLICATION DELIVERY NETWORK What is an Application Delivery Network? Today’s networks are focused on results. It’s not enough to have active connections

What Is Application Domain In Software Engineering

App domain definition An application domain is a mechanism used within the Common Language Infrastructure to isolate executed software applications from one another so that they do not affect each other. Each application domain has its own virtual address space which An application domain is the segment of reality for which a software system is developed. It is the background or starting point for the actual-state analysis and the creation of a domain model. An application domain can be an organization, a department within an organization, or a single workplace. The concept of an application domain is at least as wide, so that the domain concepts and relations relevant for the construction of models can be well understood during the analysis of

Api Functions

What is api ? What is api? API is the acronym for Application Programming Interface, which is a software intermediary that allows two applications to talk to each other. Each time you use an app like Facebook, send an instant message, or check the weather on your phone, you're using an API. In computing, an application programming interface is an interface that defines interactions between multiple software applications or mixed hardware-software intermediaries What are APIs used for? An API (Application Programming Interface) is a set of functions that allows applications to access data and interact with external software components, operating systems, or microservices. To simplify, an API delivers a user response to a system and sends the system's response back to a

Answering Machine Router:WHAT IS CALL ROUTING?

WHAT IS A ROUTER? A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the internet, such as a web page or email, is in the form of data packets A router is hardware device designed to receive, analyze and move incoming packets to another network It may also be used to convert the packets to another network interface, drop them, and perform other actions relating to a network. The picture shows the Linksys BEFSR11 wireless router and is what many home routers resemble. WHAT IS AN ANSWERING MACHINE ROUTER? What Is Call Routing? Virtual Call Routing System for Small Business | Call Routing Service WHAT IS CALL ROUTING? In today’s

What Is Multithreading In Java

What is a thread? A thread is a flow of execution through the process code, with its own program counter that keeps track of which instruction to execute next, system registers which hold its current working variables, and a stack which contains the execution history. A thread shares with its peer threads few information like code segment, data segment and open files. When one thread alters a code segment memory item, all other threads see that. A thread is also called a lightweight process. Threads provide a way to improve application performance through parallelism. Threads represent a software approach to improving performance of operating system by reducing the overhead thread is equivalent to a classical process. Each thread belongs to exactly one process and

Advanced Peer-To-Peer Networking (App)

What is Networking (computer)? Networking, also known as computer networking, is the practice of transporting and exchanging data between nodes over a shared medium in an information system. Networking comprises not only the design, construction and use of a network, but also the management, maintenance and operation of the network infrastructure, software and policies. Computer networking enables devices and endpoints to be connected to each other on a local area network LAN or to a larger network, such as the internet or a private wide area network WAN This is an essential function for service providers, businesses and consumers worldwide to share resources, use or offer services, and communicate. Networking facilitates everything from telephone calls to text messaging to streaming video

Advanced Query Syntax (Aqs)

What is a query ? Query is another word for question. In fact, outside of computing terminology, the words "query" and "question" can be used interchangeably. For example, if you need additional information from someone, you might say, "I have a query for you." In computing, queries are also used to retrieve information A query is a question, often expressed in a formal way. A database query can be either a select query or an action query. A select query is a data retrieval query, while an action query asks for additional operations on the data, such as insertion, updating or deletion. What are the types of queries? What are the 3 types of select query? Select queries are the most common queries

Understanding Visual Studio Code Extensions

What is Visual Studio? Created by Microsoft, Visual Studio is an integrated development environment that is used to develop computer programs for Windows. Visual studio can also be used for developing web sites, web applications, and web services. IT uses Microsoft software development platforms such as Windows API, Windows Forms, Windows Store, Windows Presentation Foundation, and Microsoft Silverlight, Including a code editor that support IntelliSense, Visual Studio is written in C++ and C# and offers a an integrated debugger that works both as a source-level debugger and a machine level debugger. What is visual studio - Google Search Microsoft Visual Studio is an integrated development environment from Microsoft. It is used to develop computer programs, as well as websites, web apps, web services and

Spanning Tree Protocol Explained

What is spanning tree protocol ? The Spanning Tree Protocol is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them what is spanning tree protocol - Google Search Spanning Tree Protocol (STP) is a Layer 2 protocol that runs on bridges and switches. The specification for STP is IEEE 802.1D. The main purpose of STP is to ensure that you do not create loops when you have redundant paths in your network. Loops are deadly to a network. Understanding and Configuring Spanning Tree Protocol (STP) on Catalyst Switches - Cisco Spanning Tree Protocol (STP) is a Layer 2 protocol that runs on bridges

What Is Mac Address Filtering

MAC Address (Media Access Control Address) Definition Stands for "Media Access Control Address," and no, it is not related Apple Macintosh computers. A MAC address is a hardware identification number that uniquely identifies each device on a network. The MAC address is manufactured into every network card, such as an Ethernet card or Wi-fi card, and therefore cannot be changed. Because there are millions of networkable devices in existence, and each device needs to have a unique MAC address, there must be a very wide range of possible addresses. For this reason, MAC addresses are made up of six two-digit hexadecimal numbers, separated by colons. For example, an Ethernet card may have a MAC address of 00:0d:83:b1:c0:8e. Fortunately, you do not need

Adaptive Streaming Using Javascript

Adaptive streaming - a simple explanation of how it works Adaptive streaming (also known as adaptive bitrate streaming) is a technology designed to deliver video to the user in the most efficient way possible and in the highest usable quality for each specific user. To explain adaptive streaming as simply as possible it is best to start by explaining what adaptive streaming is NOT. Namely, progressive streaming. Adaptive streaming allows the video provider to create a different video for each of the screen sizes (or devices) that he or she wishes to target. The diagram below very simply shows how that works. As you can see, we can stream a specific video file to fit specific screen sizes, ensuring that the viewer always receives

Understanding Ad hoc Network

What is ad hoc network? Connecting two computers does not always require a centrally managed network. Instead, users can set up an ad hoc network between two computers. The two devices communicate through an ethernet cable or wireless cards. However, this connection is only temporary. A wireless ad hoc network or mobile ad hoc network is a decentralized type of wireless network. The network is ad hoc because it does not rely on a pre-existing infrastructure, such as routers in wired networks or access points in managed wireless networks. How Does an Ad Hoc Network Work? Let’s say that Adam needs to transfer a file over to his friend, Eve, but doesn’t have access to a safe Wi-Fi connection. He can create an ad

Active Server Components In Asp.Net

What is active server components - The Active Server components are technically OLE automation servers. They run as an out-of-process COM object on the servers. Since they are COM objects, they can be interfaced using the scripting languages. The Active Server components can live anywhere in the network. What is Active Server Page in Visual Basic? Active Server Pages (ASP) is a component of Microsoft's Web server software that allows you to embed server-side script code in Web pages. As you know, the Hypertext Markup Language (HTML), used to created pages on the World Wide Web, is by itself static content. Where are active server pages used? Active Server Pages or ASP and Hypertext-Pre-Processor are the two standards for web application development.

How To Merge Multiple Pdf Files Into One Document

What is a pdf file? Pdf means,Portable Document Format Portable Document Format, standardized as ISO 32000, is a file format developed by Adobe in 1993 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. What does PDF mean and how do I save a file as a PDF? Essentially, the format is used when you need to save files that cannot be modified but still need to be easily shared and printed.  Today almost everyone has a version of Adobe Reader or other program on their computer that can read a PDF file. Important:  Once you have saved a document as a PDF file, you cannot convert it back to a Microsoft Office file format without

Polymorphism In Java:Different types of polymorphism

WHAT IS JAVA? What Java means? What Does Java Mean? Java is an object-oriented programming language that produces software for multiple platforms. When a programmer writes a Java application, the compiled code (known as bytecode) runs on most operating systems (OS), including Windows, Linux and Mac OS.2 What is polymorphism? In programming languages and type theory, polymorphism is the provision of a single interface to entities of different types or the use of a single symbol to represent multiple different types OOP Concepts for Beginners: What is Polymorphism – Stackify OOP Concepts for Beginners: What is Polymorphism The word polymorphism is used in various contexts and describes situations in which something occurs in several different forms. In computer science, it describes the concept that objects of different types can be

Distributed Data Processing:How Does It Work?

What Is Data Processing? Data in its raw form is not useful to any organization. Data processing is the method of collecting raw data and translating it into usable information. It is usually performed in a step-by-step process by a team of data scientists and data engineers in an organization. The raw data is collected, filtered, sorted, processed, analyzed, stored and then presented in a readable format. Data processing is crucial for organizations to create better business strategies and increase their competitive edge. By converting the data into a readable format like graphs, charts and documents, employees throughout the organization can understand and use the data. Data processing is, generally, "the collection and manipulation of items of data to produce meaningful information."

Graphical User Interface:How Does GUI Work?

graphical user interface - Google Search The graphical user interface is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based user interfaces, typed command labels or text navigation What is GUI example? Some popular, modern graphical user interface examples include Microsoft Windows, macOS, Ubuntu Unity, and GNOME Shell for desktop environments, and Android, Apple's iOS, BlackBerry OS, Windows 10 Mobile, Palm OS-WebOS, and Firefox OS for smartphones. What is GUI? | How It Works? | Need & Uses with Examples & Advantages How Does GUI Work? The uses of a pointer that serves as navigation to interact with different visually appealing Graphical icons. Abstraction is a

Network Security And Cryptography

What is Network Security? Defined, Explained, and Explored Network security defined Network security is a broad term that covers a multitude of technologies, devices and processes. In its simplest term, it is a set of rules and configurations designed to protect the integrity, confidentiality and accessibility of computer networks and data using both software and hardware technologies. Every organization, regardless of size, industry or infrastructure, requires a degree of network security solutions in place to protect it from the ever-growing landscape of cyber threats in the wild today. Today's network architecture is complex and is faced with a threat environment that is always changing and attackers that are always trying to find and exploit vulnerabilities. These vulnerabilities can exist in a broad number


Mac OS is a proprietary graphical operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers macOS - What is macOS - Apple (NG) macOS is the operating system that powers every Mac. It lets you do things you simply can’t with other computers. That’s because it’s designed specifically for the hardware it runs on — and vice versa. macOS comes with an entire suite of beautifully designed apps. It works hand in hand with iCloud to keep photos, documents, and other stuff up to date on all your devices. It makes your Mac work like magic with your iPhone and other Apple devices. And it’s been built from the ground

What Is Data Mining Algorithms

about:blank Data Mining Definition What Is Data Mining? Data mining is a process used by companies to turn raw data into useful information. By using software to look for patterns in large batches of data, businesses can learn more about their customers to develop more effective marketing strategies, increase sales and decrease costs. Data mining depends on effective data collection warehousing and computer processing. Data mining processes are used to build machine learning models that power applications including search engine technology and website recommendation programs. Data mining is a process of extracting and discovering patterns in large data sets involving methods at the intersection of machine learning, statistics, and database systems about:blank Data Mining Definition Example of Data Mining Grocery stores are well-known users of data

Basic Windows Terminology

Microsoft Windows, commonly referred to as Windows, is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry Microsoft Windows, also called Windows and Windows OS, computer operating system (OS) developed by Microsoft corporation to run personal computers (PCs). Featuring the first graphical user interface (GUI) for IBM compatible PCs, the Windows OS soon dominated the PC market. Approximately 90 percent of PCs run some version of Windows. BRITANNICA QUIZComputers and Operating SystemsHow does the Internet move information between computers? What is the operating system made by Microsoft? Log into this quiz and test your knowledge of computers and operating systems. The first version of Windows, released in 1985, was simply a GUI offered


Google Drive is a cloud-based storage solution that allows you to save files online and access them anywhere from any smartphone, tablet, or computer.Using a cloud storage service like Google Drive has plenty of advantages, such as easier file sharing and having a remote location to backup your files. But when compared to competitors like Drop Box and Apple icloud service Google Drive's popularity is built on useful collaborative tools and built-in integrations with Google's suite of products and services. If you have a Google account, you already have  15 G of free storage on google drive So how to take advantage of all that space? Our guide covers all the basics, from how to use Google Drive to upload and access files

Difference Between Tcp And Udp Protocol

What is TCP? The Transmission Control Protocol (TCP) is a communications standard that enables application programs and computing devices to exchange messages over a network. It is designed to send packets across the internet and ensure the successful delivery of data and messages over networks. TCP is one of the basic standards that define the rules of the internet and is included within the standards defined by the Internet Engineering Task Force (IETF). It is one of the most commonly used protocols within digital network communications and ensures end-to-end data delivery. TCP organizes data so that it can be transmitted between a server and a client. It guarantees the integrity of the data being communicated over a network. Before it transmits data, TCP