Computer Encyclopedia

Computer Encyclopedia, the (A to Z) computer words with definitions and examples.

List of a to z computer words with definitions

A     B     C         E     F     G     H

   J     K     L     M     N     O     P

Q     R     S     T     U     V     W     X

Y     Z

List Computer Words Starting with (A)

•  AutoCAD

List Computer Words Starting with (B)


List Computer Words Starting with (C)

Cache memory
• CAD full form
• Cookie

List Computer Words Starting with (D)

• data
• database
• Debian
• decompress
• desktop
• dialer
• digital

List Computer Words Starting with (E)

• Encarta encyclopedia
• End-User
• ENIAC Electronic Numerical Integrator and Calculator
• Epiphany web browser
• erase
• exe
• exit
• Explorer
• ext2
• extrude

List Computer Words Starting with (F)

• Facebook
• FAT16
• file sharing
• file system
• file types
• folder
• footnotes
• freeware

List Computer Words Starting with (G)

• gigabyte
• Gimp
• Gmail
• Gnome
• goto

List Computer Words Starting with (H)

• hacker
• hard disk
• hardware
• Hash_function
• home page
• HTTP_Cookie

List Computer Words Starting with (I)

• Icons
• Input device
• insert
• Intel
• Internet

List Computer Words Starting with (J)

• J#
• Java
• JavaScript
• Justify

List Computer Words Starting with (K)

• KDE*
• kernel
• key
• keyboard
• keyword

List Computer Words Starting with (L)

• laptop
• Lavasoft
• Let
• Letter Size
• License
• link
• Linux
• List
• live cd

List Computer Words Starting with (M)

• Mac OS
• Mac OS X
• Macintosh
• Mainframe Computer
• Malware
• Mandrake Linux
• md5
• media
• megabyte
• Microsoft
• Modem
• modify
• monitor
• Motherboard
• mouse
• Mozilla Firefox web browser
• MP3
• mp4
• MPEG-4

List Computer Words Starting with (N)

• Netscape
• Netscape Navigator web browser
• network
• new
• next
• notebook computer
• Nvidia

List Computer Words Starting with (O)

• Off-page SEO
• ogg
• On-page SEO
• On Goto
• Open
• Opera web browser
• operating system

List Computer Words Start with (P)

• p2p
• page
• pdf
• peer to peer
• Perl
• personal computer (PC)
• Petabyte
• piracy
• pirate
• plug-in
• popup
• printer
• privacy
• program
• program release
• proprietary
• Python
• Python

List Computer Words Starting with (Q)

• QuickBasic
• QuickTime.
• quit

List Computer Words Starting with (R)

• reboot
• ReactOS
• Recycle Bin
• RedHat
• Reiser FS
• rename
• resize
• root

List Computer Words Starting with (S)

• scan
• search engine
• security
• server
• shared source
• shareware
• software
• spam
• spamming
• Spreadsheet
• spyware
• supercomputer
• superuser
• surfing the internet
• Suse
• System Unit

List Computer Words Starting with (T)

• Tab
• Tablet
• Tape
• Terabyte (TB)
• Then
• Training For Computers
• Trojan Horse

List Computer Words Starting with (U)

• Ubuntu
• undo
• union
• update
• upload
• user

List Computer Words Starting with (V)

• version
• view
• virtual community
• virus
• Visual Basic
• Visual Studio
• Vulnerability32

List Computer Words Starting with (W)

• Website
• width
• win.ini
• Window
• Windows 10
• Windows 7
• Windows 8
• Windows XP
• Wine (software)
• WordPress

List Computer Words Starting with (X)

• x86, x32
• x86-64, x64
• Xine
• xl
• xline

List Computer Words Starting with (Y)

• Yahoo!
• Yottabyte
• YouTube

List Computer Words Starting with (Z)

• Z (file format)
• Zoom in
• Zoom out

What is Acrobat?

In computer science, an acrobat is a software which we use to read and edit the PDF files. It is also known, as Adobe Acrobat.

Click here to download Adobe Acrobat from its official website.

What is Adobe?

The actual meaning of the adobe is “a place in which a person resides” and in computer science, we see mostly software from the Adobe family.

  • Adobe Acrobat
  • Adobe PhotoShop
  • Adobe Acrobat Reader DC
  • Adobe After Effects
  • Adobe Dimension
  • Adobe Dreamweaver
  • Adobe Fresco
  • Adobe Illustrator
  • Adobe InDesign CC
  • Adobe Premiere Pro
  • Adobe Rush
  • Adobe Spark
  • Adobe XD

What is an Algorithm?

Set of the instructions and the rules to be followed in a computer to solve a problem or perform a calculation.

Click here for more details about the Algorithm.

What is AMD?


AMD stands for Advanced Micro Devices.

It is a CPU chip for personal computers like Intel.

What is an Analog Computer?

In computer science, the first Analog Computer was the astrolabe. Audio Taps, Photocopiers, old dialling telephone are the examples of Analog Technology.

What is Android?

It is an operating system, which used for booting the smartphones and tablet computers.

The main purpose of the android is to connect the user’s devices. Day by day the features of the android operating system is developing.

What is API?

API stands for Application Programming Interface. It is an application software which used to build software applications.

The API specifies how should the software components interact with each other.

What is Apple?

apple computer

It an American multinational technology company. It’s headquartered is in Cupertino.

It used in to develop and design the computer software.

What is Application?

The software or program that runs on your computer is called a computer application.

What is AutoCAD?

AutoCAD is a drafting computer-aided designing application software.

We use it in architecture and engineering drawings.

Click here to learn AutoCAD online.

What is binary?

Binary is the two digits base number system on the computer. 0 and 1.

0 means off

1 means on

What is BIOS?

It is the Basic Input Output System. It used to store the booting information of an operating system.

What is bitcoin?

Bitcoin is a digital currency. People can send and receive this currency through the digital wallet.

All the transaction is done and recorded in the blockchain.

What is Boot?

In computer science and technology, boot means the device is now ready to use.

What is Botnet?

Bots are computer robots, that perform different tasks for you.

A botnet is the combination of bots (robots) and network. These network bots can harm your data, website and other computer activities.

What is a browser

Browser is used to browse the web pages.

Click here to see the latest list of browsers.

What is a byte?

A byte is a combination of 8 bits. There is 1 byte in a single alphabetic character.

A = 01000001

a = 01100001

0 = off and 1 = on

You can say you have to on and off the 8 switches to get a letter A

What is C?

C is the 3rd English capital letter.

C is the general-purpose computer programming language. C is a programming language and does not support classes and objects.

What is C++?

C++ is an advanced version of c. And C ++ is a combination of both procedural and object-oriented programming languages.

What is the cable?

A cable is a combination of two or more twisted wires.

What is Cache Memory?

Cache Memory

Cache Memory is a temporary storage area on a computer that makes a computer faster.

What is CAD full form?

The full form of CAD is Computer-Aided Design.

What is Captcha?

Captcha is a computer system designed to receive input from humans.

What is a Circle?

A circle is a round shape

Click here to calculate the area of a circle.

What is Connection?

A connection is a source that connects two or more things together.

What is Control?

Every time computer controls and gives us a  processed output.

What is Cookies?

A cookie is a record file that contains a small amount of information, for example, usernames and passwords.

Which are used to identify your computer when using your computer’s network and browsing the websites.

What is the CPU?

CPU stands for Central Processing Unit. Click here to see more details.

What is data?

Set of records called data.

What is a database?

A database is a structure where you can store the data according to the structure.

What is DDR?

DDR stands for “Double Data Rate”. It is the type of computer memory.

What is Debian?

It is a free Universal Operating System for the computer.

What is decompress on the computer?

The process of decompressing the compressed data.

What is a desktop?

In computer, the desktop is the main screen of the windows. And the desktop is the shape of the system Unit.

What is dialer?

The dialer is an automated system that calls customers from an outbound call center.

What is digital?

Digital electronic technology stores and processes data in two states positive and non-positive

What is a document?

The document is a written form of data including records and pictures.

What is DOS?

DOS is the abbreviation of Disk Operating System. It was the first operating system. It has two versions

  • PC-DOS by IBM
  • MS-DOS by Microsoft

What is a download?

By clicking on the download link you can download the required data from this link to your device.

What is electricity?

Electricity is the power that is needed for computers, lights, fans and other electronics and electrical appliances.

What is email?

Email is electronic mail. We may use it to send and receive text, photos, audio and videos from one email address to another.

What is Encarta encyclopedia?

Microsoft published it from 1993 to  2009. Its Cds are available in the market. It is a huge collection of information.

What is End-User?

End-User is the operator who operates the device, software and application developed by software, app and hardware engineers.

What is ENIAC Electronic Numerical Integrator and Calculator?

ENIAC was the first general-purpose programmable, electronic, digital calculator/computer. 1943 ~ 1945 by J. and John Mauchly Presper Eckert of the University of Pennsylvania, United State of America.

What is the Epiphany web browser?

Epiphany is the web browser for the Genome desktop by Mozilla Projects for browsing web pages.

What is erase?

We can use erase to delete the selected. Erase command we use in AutoCAD and in Windows command line.

What is the exe?

The exe is an executable file which is used to run the software application programme.

What is the exit?

The exit is the command which you used for exit from the command line to Windows.

What is Explorer?

Explorer is the window’s feature which we use to explore all the stored data from all disks

Press Windows Logo button + R then type explorer press Enter

What is ext2?

The Ext2 or the second extended file system by Remycard for the Linux Kernel.

What is Extension?

Each file name has two parts
1. Filename
2. Extension Name
The filename you type, while the extension name computer added according to the software family.
Extension represents the software in which file was saved.


rana is the file name and docx is the extension name.

And we can recognize the file type from the extension that, this is the word file document file.
Similarly, we can recognize the name of the families of files from the extensions.

What is extrude?

Extrude is a computer graphical feature which converts 2d models into 3d models such as in AutoCAD.

What is Facebook?

Facebook is the largest social media network where you can share your posts with millions of people.

You can chat with each other through Facebook messenger.

What is  FAT16?

The disk, card and  USB which capacity is under and equal to 2 GB then you can only FAT16 system to format it for making is useable.

What is FAT32?

FAT32 is the file system which we use to format 4GB to 32GB disk, card and USB.

What is a file?

A file in which we store data and save it in diskettes for future use.

What is file sharing?

File sharing is the process to share data between computers  devices via network

What is the file system?

In computer science, a file system manages the file name and the logical location of the file for retrieving and saving.

What are the file types?

The type of file represents the file family in which it is saved.

A group of the same kind of files can different types like

File Type File family  application name
AI (Adobe Illustrator)
EPS (Encapsulated Postscript)
GIF (Graphics Interchange Format)
INDD (In Design Document [Adobe])
JPEG (or JPG) (Joint Photographic Experts Group)
PDF (Portable Document Format)
PNG (Portable Network Graphics)
PSD (Photoshop Document)
RAW (Raw Image Formats)
TIFF (Tagged Image File)

What is the firewall?

In computer, the firewall provides protection against the unauthorized access on data and hardware with different levels.

What is the folder?

A folder is a set of subfolders and files. We can keep our files and folders in a folder to manage them.

What are the footnotes?

Footnotes are the additional information about specific letter, word and sentence which you can see at the bottom of the current page.

What is the format?

We use format to format the diskettes, USBs and memory cards for making them useable. 

What is FreeBSD?

FreeBSD is an operating system like UNIX. It is an open-source free to use.

What is freeware?

Freeware is software that is often established, issued to the end-user at no economic cost. Unlike free and open-source software, which are often distributed for free, the source code for freeware is not generally available.

What is FTP?

FTP stands for Full File Transfer Protocol. We use it for sharing files from one PC to another via LAN

What is a gigabyte?

The abbreviation of gigabyte is GB. It is equal to (1000) / 1024 MB.

What is Gimp?

Gimp is an efficient and reliable photo editor application. It is alternating to Photoshop.

What is Gmail?

Gmail is a product of Google that you use to send and receive data via email address.

What is Gnome?

Genome GNU Network Object Model Environment A (GUI) graphical user interface is used in computer desktop applications for users of Linux computer operating systems.

What is GNU?

GNU stands for GNU’s Not UNIX. It is like a UNIX computer operating system, but unlike UNIX, it is free software without a UNIX code.

What is GnuPG?

GnuPG lets you encrypt and sign your data and communications. GnuPG, also called GPG, is a command-line tool that is a simple combination of other applications.

What is Google?

Google is a search engine of the American company. The founders of the google are  Sergey Brin and Larry Page. We use Google to search from the internet.

What is goto?

Goto is the statement of computer programming languages like GW-Basic, Visual Basic and more 

We use goto to transfer the action using goto in a programming language.

for an example 

10 Goto 50

What is the GPU?

GPU is a Graphics Processing Unit. We use it to render the graphical object. 

What is a hacker?

A hacker is someone who misuses their ability, skills and experience to access someone’s data without their permission.

What is a hard disk?

A hard disk is a secondary storage device where you can store and retrieve the data.

What is the hardware?

The hardware is a physical part of the device which we can touch. The system unit, keyboard, mouse, monitor and printer are the hardware of the computer. 

What is Hash_function?

Hash Function, we used this to randomly generate different values ​​from a specific text.
This algorithm helps us secure our passwords and turn them into long difficult words by adding random characters using the hash function.

What is HDMI?

HDMI stands for (High-Definition Multimedia Interface). It is a cable for displaying computer screen on to TV screen with high resolutions.

What is the home page?

The Home Page is the page which opens as you open the internet browser. The very first page which opens with the browser is called a home page.

What is HTML?

HTML is a HyperText Markup Language which we use to creates a website. 

What is HTTP?

HTTP represents the Hypertext Transfer Protocol, which is used to share records on the World Wide Web. … HTTP runs at the top of the TCP / IP convention.

Internet browsers are HTTP users that send document requests to web workers, and these requests are handled via HTTP.

What is HTTP_Cookie?

With the help of HTTP_ Cookie web browser keep store your information like full name, address, contact number, emails address and card numbers.

Which it will add automatically in the form where it requires.

What is HTTPS?

HTTPS (Hypertext Transfer Protocol Secure), is the secure updated version of HTTP.

You can see a lock icon with the web address which shows that this website is secured for visitors.

What are the Icons?

The Icons are the small pictures which represent the files or programs.

What is the INPUT?

INPUT is the statement which we used in computer languages to get the input from the user.

What is the Input device?

The Input device is that device which we use to get data from devices like keyboard, scanner, mouse, and mic for voice input.

What is the insert?

Insert is the menu of MSOffice applications like WinWord, Excel and Powerpoint which you use to insert pictures, shapes and many more in your file. 

Insert is also a keyboard key which we use to insert missing spellings.

What is Intel?

Intel is a computer process CPU it was developed for x86 series. And Intel core Processor in the mid of 2006.

What is the Internet?

The Internet is a globally worldwide network system where you can share, upload and download information from mobile phones, tablets, desktops and laptops.

What is J#?

J# is a computer programming language to developing java applications for Microsoft dot Net.

What is Java?

Java is a high-level computer programming language by Sun Microsystems which you use on our website.

If you know the C language then you can easily use Java because it’s syntax is similar to C language.

What is JavaScript?

Javascript is the scripting compute programming language for a web developer to apply effects on the website.

What is Justify?

Justify is the alignment of paragraph in MSOffice application. You can use Ctrl + J for this purpose or you can click on this icon  Justify.

What is KDE*?

K Desktop Environment is a company which develops free software.

What is a kernel?

The kernel is the main function of an operating system which handles memories and hardware. It is also called the heart of operating systems.

What is the key?

A key is a button which you press to type characters. There are 101 keys on the computer keyboard.

What is a keyboard?

The keyboard is the input device of the current machine which we use to enter data. As we use a computer keyboard to type our programme and data.

What is a keyword?

A keyword is a word which helps the search engine to search all the relevant text for the specific keyword.

What is a laptop?

The laptop is a portable computer which you can carry with you and use it anywhere.

Click here for more information about the laptop.

What is Lavasoft?

Lavasoft is a software developing company which develops antivirus and spyware, malware and adware blocker software.

What is Let?

In computer science, we use let in the computer programming languages like GW-Basic, Qbasic and Turo Basic to store a value in a variable. 

LET C = 40 or LET C$=”Rana Mehtab Alam”

What is Letter Size?

Letter size is 8.5″ x 11″ page size.

What is a License?

A license is an official licensing document to work with the policies of a licensing party.

What is a link?

A link is a process of linking through a hyperlink.

As click here for website map.

On the upper line, there is a link on the click here text.

What is Linux?

Like other operating systems Linux is also an operating system which used to run and manage the software and the hardware of the device. 

What is a List?

A list is the list of the items. And in a computer, we use the list to see the input programme in GW-Basic language.

LIST [Enter] 

What is a live cd?

The live cd is a fully functioning bootable cd which we can use to boot the computer.

What is the Mac OS?

Mac OS  is an Operating System for Apple computers. 

What is Mac OS X?

The Mac OS X is an Apple’s operating system for Macintosh computers in 2001.

What is Macintosh?

The Mac (Macintosh) is a company for personal computers. 

Macintosh computers use Mac operating systems for booting and working.

What is the Mainframe Computer?

Mainframe computers or big iron are very large and with heavy storage capacity computers which many large companies keep their records on it.

What is Malware?

Due to the fact that there are so many types of software, there is corporate pride in malware, including viruses, ransomware, and then spyware. Shorthand Because of incomplete software, malware is usually about articles created by the use of cybercriminals, in which the facts between the counterfeit are still unauthorized access between structures but in resemblance to a network.

Is argued between the acquisition of Malware typically uses the ability of digital mail to track a file within a format that is focused on but requires the user to imitate it to publish the file.

Or click Add and later lead to malware.

What is Mandrake Linux?

Mandrake was launched in France in 1998. With this assignment, Mendrick Linux is based primarily on Linux or formal tools itself, as well as the level of KD is more specific and was kept for this purpose after it was installed.

Because of the software, RPM has the same etiquette status, with some package deals recognizing prepaid software using articles contained between “MDK”, as for Mandrake Linux. It’s on hand so the computer is still the server version.

What is Martus?

Martis is an independent, open-source administrative tool that enables the collection of secure information and enables these rights activists to become stronger in their fight against injustice and abuse.

What is md5?

MD5 is a type of cryptographic hash algorithm. Nowadays you must use MD5 hashing scheme it, provides the securing systems for your passwords.

What is media?

The media is a source to store and share informative data via print media or broadcast media or internet media.

What is a megabyte?

A megabyte (MB) is 106 or 1,000,000 bytes.

What is Microsoft?

Microsoft is an American company which develops software and provide supports and licenses to the customers.

The most using software of Microsoft is Microsoft Office. And in the Microsoft Office, there are different software available like WinWord, Excel and PowerPoint.

What is Modem?

A modem is a device which is used to connect the telephone line with the computer.

What is modify?

Modify means to make changes in the current object, shape, software or programme, like modify command in AutoCAD is used to change 

What is a monitor?

The monitor is an output device it is also called a (VDT) Video Display Terminal and (VDU) Video Display Unit. Click here to see more.

What is a Motherboard?

The motherboard is a printed circuit board where all the electric components installed to make a specific circuit. In computer, the motherboard is the main part of a system unit.

What is a mouse?

A mouse is a pointing device which we used to move the mouse pointer and make a selection and visiting the hyperlinks.

What is a Mozilla Firefox web browser?

The Mozilla Firefox is a web browser which we used to browse webpages and websites. 

What is MP3?

The MP3 is the high quality compressed audio sound file system.

What is mp4?

The MP4 is the high quality compressed video file system.

What is MPEG-4?

The MPEG-4 is the advanced audio and video compressing file system.

What is Netscape?

Netscape Communications Corporation (initially Mosaic Communications Corporation) is a free organization of American PC management based in Mountain View, California, and later in Dolce, Virginia.

What is the Netscape Navigator web browser?

The Netscape Navigator is the earlier web browser for windows and macintosh.

What is the network?

In the network, we can share data from one pc to another and we can use a single printer for several pcs. Click here for more info about network

What is new?

In the computer, we use new to get a new document/file by pressing Ctrl + N or typing new.

In GW-Basic Language we type  NEW to make a new programme.

What is next?

In computer next is the part of (for-loop). For next loop in GW-Basic.

What is NNTP?

NNTP is the abbreviation of (Network News Transfer Protocol).

NNTP transfers newsgroup articles between systems using Usenet servers over the Internet.

What is a notebook computer?

A notebook computer is a small computer. It can run on either battery or AC.

You can easily move it from one place to another. Notebook computers are commonly used in meetings. 

What is NTFS?

NT file system and NTFS is also called New Technology File System.

We should use NTFS while formatting the disk >= 40GB.

What is Nvidia?

Nvidia is a graphics processing chip which is used in computer graphics and gaming 3d models.

What is Off-page SEO?

Off-page SEO (Search Engine Optimization) is the process of using SEO format on your website which you can control by your side.

What is ogg?

Ogg is a free and an open-source multimedia file format for multimedia including text, video, and music.

What is On-page SEO?

On-page SEO is the process of SEO format for online website ranking in which we have to follow all the instruction of On-page SEO.

• On Goto
• Open
• Opera web browser
• operating system

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