COMPUTER LECTURES

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COMPUTER TERMS

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Computer terms Meaning
A transmitter Is an electronic device which, usually with the aid of an antenna, propagates an electromagnetic signal such as radio, television, or other telecommunications.
Access time This is how long it takes to access information on a storage device.
Access To retrieve information from a storage device.
Active Window Is the current window that a computer user working on.
Address It refers to an email address or a web page address.
Administrator Is a user who has unlimited privileges and can change all settings on a computer.
Antivirus Program A software program designed to protect a computer against computer viruses.
Application Software Application Software consists of programs that tell a computer how to produce information. Examples Word processing, Electronic spreadsheet, Database and Presentation graphics
Ascending sort Sorting records or lists from A to Z.
Attachment A file attached to an e-mail message.
AVI (Audio Video Interleave) Is a format for videos which can be played in many movie players.
Backbone The main cabling of a network that all of the segments connect to. Typically, the backbone is capable of carrying more information than the individual segments. For example, each segment may have a transfer rate of 10 Mbps (megabits per second: 1 million bits a second), while the backbone may operate at 100 Mbps.
Bandwidth It measures how much data can be sent over a specific connection in a given amount of time.
Bios Basic input output system.
Bitmap A graphic file format with the file extensions of *.bmp or *.dib
Boot sequence The order of drives that a system's BIOS follows when looking for the operating system.
Boot To start a computer and load the operating system.
Browser Is a software that you use to access the internet
Browsing History Is a log of visited websites in a certain browser
Buffer A storage area in memory that stores information temporarily while in use.
Bugs Are rrors made by computer programmers when developing a program
Capacity Means how much data a hard drive holds, example MB, GB etc
Channel The medium used to convey information from a sender to a receiver.
Clear A command to clear or delete information.
Click Is to press the right or left mouse button
Column A vertical row in a table running up and down.
Compact Disc (CD) Used for storage of computer files or for media
Compatible Software, devices, and computer components that can work together without problems are compatible.
Compress To compress something smaller.
Computer literacy Being computer literate means you have knowledge and understanding of computers and their uses.
Computer A computer is a device that executes a program or programs.
Configuration A setup of something on a computer that has settings in a software program.
Control Panel Is a system folder which contains a number of utilities. Using the control panel, you can adjust and configure various properties related to different components of the Computer.
cPanel Is a leading control panel that acts as a separate account, designed for uploading and managing a website content, email, FTP, databases, and more.
Cookie Is a text information message that is stored on a computer when a computer user visits a web page. When the computer user return to the page the cookie is used to recognize her.
Copy To duplicate information.
CPU (Central processing unit) Also known as the microprocessor or processor that is the brain of the computer.
Crash A serious computer failure, the computer itself stops working or that a program aborts unexpectedly.
Cursor A pointer or an arrow or line that is controlled by the computer mouse.
Cut To remove a folder, file, graphics, or text from its original location with the intention of pasting it to another location.
Data Are raw facts that are not yet processed. include numbers , letters and symbols etc.
Database Is a structured collection of data that is stored on a computer or server, the most used model of database is a relational database.
Debug Is a process of taking a deep look into an issue with a program and removing errors that are found
Descending sort Sorting records or lists from Z to A.
Desktop Is a display on the monitor/screen.
Disc Drive This is where you put a cd disc in to copy to or read the disc.
Diskette Is a floppy disk that made by old technology that held a small amount of data on a magnetic tape inside the disk shell.
Document Is some type of formatted information that contains text, tables, or forms.
DOS (Disc operating system) This is the basic command system on your computer.
Double-Click Clicking twice (with the left mouse button) on the icon to activate the icon. Activating the icon will run the program or open the file that is associated with the icon.
Download Is a file, program or document that is transferred from one computer to another.
Drag This is used to move files around on the computer.
E-reader Portable hardware device designed for reading digital publications.
Ethernet A local area network connection method.
Ethernet Most common type of connection computers use in a local area network.
Ethernet Port A computer port resembling a regular telephone jack, but slightly wider, used to connect a computer to another computer, a local network, or an external DSL or cable modem.
EULA (End User License Agreement) A text file that usually accompanies software and is the legal agreement between the manufacturer and a purchaser.
Execute To start or perform something, either to start a program or to carry out an action.
Execution file A file with .exe file extension meaning it is usually an install or setup file.
Export Process of taking data from one program or computer to another.
Export To remove a copy of information from a program that can be imported back at a later date. It could also be imported into a suitably compatible program.
Extensions A file extension identifies labels a file and lets you know what program will open it.
External Hard Drive Used to back up data from a computer.
E-zine An online magazine that is either published on the internet or delivered by email.
FAQ Is a list of questions and answers relating to a particular discussed subject.
Fiber-Optic Cable Fragile cables that is placed underground, made up of super-thin filaments of glass or other transparent materials that can carry beams of light that enables data to be sent at the speed of light.
File Is a block of information includes word documents, pictures, music, etc.
File format A standard way that information is encoded for storage in a computer file. Example .xlsx, .docx
Firewall Software utility or hardware device that limits outside network access to a computer or local network by blocking or restricting ports.
Firmware Software program or set of instructions programmed on a hardware device that provides necessary instructions for how the device communicates with other computer hardware.
Floppy disk Is a device that made by old technology that held a small amount of data on a magnetic tape inside the disk shell.
Folder Is a system that helps in organizing the files, programs and projects on the computer.
Footer A space at the bottom of a document where you can place text or page numbers.
Format To clear of all data. Clean to the original state of empty.
Forum This is a member based website, usually free to join, where people gather to chat and converse on a particular subject.
Freeware Is a copyrighted software that available for use without charge.
GB Gigabyte
GHz Gigahertz
GIF Graphic Interchange Format
Glitch A hardware problem much like a software bug, that causes a computer to malfunction.
Google The number one search engine on the planet.
Graphic File A picture or image file that has been stored digitally onto your computer.
Graphical User Interface (GUI) Is simply an additional part of the operating system that displays windows and drop down menus, and also enables you to drive your computer using a mouse.
Graphics Accelerator Computer display device specially configured to provide enhanced performance.
Graphics Card An add-on component that can be installed into your computer to improve or enhance graphics that you see. This facility can also be built in and is then know as onboard graphics.
Graphics Driver A small piece of software needed to run both onboard graphics and a graphics card.
GUI Graphical User Interface
GUI graphical user interface. This is when a computer user presses on icons, uses menus, or other graphical features to perform commands on a computer. This is the opposite to manually typing in difficult commands.
Hard disk A magnetic storage device that stores large amounts of data.
Hard drive A hard drive is the storage component of your computer.
Hard Drive The hard drive is the device where the information is stored.
Hardcopy: This refers to the tangible information produced on papers through the printer
Hardware Something you are able to touch such as monitor, keyboard, mouse, printer, computer unit, scanner, etc.
Hashtag Number symbols used to categorize tweets or posts of related topics
Header Repetitive information that appears at the top of every page of a document.
Header Repetitive information that appears at the top of every page of a document.
Highlight To select something by making it blue
Hit A hit in website talk is equal to one visit to a website.
Home page The main page for a Web site which is classed as the entrance to a bigger series of related web pages.
Html (hyper text markup language) This is a language used to develop webpages.
HTTP HyperText Transfer Protocol
Hub Is a device for connecting multiple twisted pair or fiber optic Ethernet devices together and making them act as a single network segment.
HTTPS HyperText Transfer Protocol over Secure Socket
Hyperlink A word, phrase, or image that you can click on to jump to a new document or section of a document.
Hz Heinrich Hertz
Icon Is a small, clickable picture that opens programs on a computer.
Information This is the end product of data processing stages which have been transformed and have clear meaning to the user.
Internet Is a worldwide network that helps connect millions of users around the world to share and exchange data, information, opinions, etc.
IP Internet Protocol .
ISP Internet service provider .
Java Is a high-level programming language that produces software for multiple platforms.
JavaScript A programming language used in creating enhanced Web pages.
Joint Photographic Experts Group Is a color image graphics compression file fomat.
JPEG Joint Photographic Experts Group.
Kernel Is the central part of an operating system. It manages the operations of the computer and the hardware, most notably memory and CPU time.
Keyboard Is the device used in typing words, numbers and to perform tasks.
Keyboard shortcut Is a key combination that performs a certain command.
Keystroke Is typing one character on a keyboard.
Keywords Are words or phrases that describe content.
LAN (Local Area Network) A group of computers that share a common connection and are usually in a small area.
Landscape To position a page in landscape position makes the longest measurement the width and the shortest the height of the page.
Language Refers to a programming language used to create programs and express algorithms on a computer operating system, examples of these include C++, HTML, Java, Javascript and PHP.
LCD (Liquid crystal display) A type of monitor that was originally developed for laptop computers, however now is used for all modern monitors and TV’s.
Left-Click Pressing the left button of the mouse once.(Used for selecting icons and opening programs.)
Line spacing The space or set measurement that is between two lines of text.
Links This is the shortened term for “Hyperlinks” which refers to a website or webpage reference to show information about something.
Log Off To exit and sign out to a computer system, website account, email etc.
Log On To sign in to a computer system, website account, email etc.
Modem Is something that is connected to a computer to connect it to the internet or other networks.
Monitor Is a computer screen or display unit.
Mouse Is a hand held device that helps you control the pointer on the desktop/screen.
Network Is a physical or logical construction that connects different computers together and helps them communicate.
Network Topology Defines the layout of the network.
Node Anything that is connected to the network.
Offline To be offline is to not be connected to the internet or to not be on the internet.
Online When you go online to browse the internet. You’re connected to the internet.
Open file To bring a file out of storage and into the computers memory for use.
Operating System (OS) Is the software that communicates with the computer hardware.
OSP Online service provider.
Peripherals Are the input/output devices that are connected to the computer.
Programs These are set of instructions that tell the computer on what to do.
QR Code (Quick response Code) Is a type of barcode that contains a matrix of dots.
Query Is another word for question.
QuickTime Is a multimedia framework developed by Apple.
QWERTY Is a keyboard design for Latin-script alphabets.
Random access memory (RAM) Is a memory chips for temporary information storage.
Read-Only Memory (ROM) Is a memory containing hardwired instructions that the computer uses when it boots up before the system software loads. (In PC’s the instructions are read from the BIOS.).
Reboot To restart your computer.
Right-Click Pressing the right button of the mouse once. (Used for opening contextual menus.)
Router Is a hardware device designed to take incoming segments of data, analyze them and direct them to the appropriate locations on a network.
Sever Is a software program or a computer, on which that program runs, that provides specific kind of services to the client software running on the same computer or other computers on a network.
Single-Click Clicking once (with the left mouse button) on the icon to select the icon.
Softcopy This refers to intangible information displayed on the screen.
Software Is the series of instructions that tells the hardware how to perform tasks.
Surfing Jumping from page to page on the Web.
TCP Transmission Control Protocol.
Text The letters and words displayed on a screen, as opposed to an image or picture.
Title Bar The top bar of an open window that displays the title of the open application or the open webpage.
Tool bar A bar with shortcut icons for easy access to certain tools and tasks.
Trojan Horse Is a program that appears to be something useful or safe, but in reality is performing background tasks such as giving access to your computer or sending personal information to other computers.
Undo To reverse your last action. For example in Microsoft Word this is an undo arrow. You can also press the CTRL and Z key on the keyboard.
URL Uniform Resource Located .
USB Flash Drive It is an external drive that used for storage of computer files.
Video Graphics Array (VGA) Is a graphics standard for video display controller.
Virus A program that runs on a system against the user's wishes and knowledge so as to harm a computer.
Website Is a group of web pages.
Wi-Fi Wireless Local Area Network.
WinZip Ia s software program commonly used to compress larger files into smaller ones for easy sharing and downloading.
WISP Wireless Internet service provider.
World Wide Web (WWW) Is a service that is provided on the Internet for the users.
Worm Is a program similar to a virus that exploits vulnerability in an operating system or application that a computer user is running.
WYSIWYG Stand for What You See Is What You Get.
Extreme Memory Profile (XMP) Is a specification serving as an extension to the standard JEDEC SPD specifications developed by Intel.
x86 Is a family of instruction set architectures initially developed by Intel based on the Intel 8086 microprocessor and its 8088 variant.
XAML Stands for eXtensible Application Markup Language.
XAML Is Microsoft's variant of XML for describing a GUI.
XAMPP Stands for X ("cross"-platform), Apache HTTP Server, mySQL, PHP and Perl.
XAMPP Is an open-source web development application distributed by Apache Friends, offering an entire development stack in one package, consisting mainly of the Apache HTTP Server, MariaDB database, and interpreters for scripts written in the PHP and Perl programming languages.
XHTML Stands for eXtensible HyperText Markup Language.
XHTML Stands for eXtensible HyperText Markup Language.
XML Stands for eXtensible Markup Language.
XMP Stands for Extreme Memory Profiles.
XMP Is an Intel technology that allows you to change multiple memory settings by simply selecting a different profile, taking advantage of higher than standard memory speeds.
XSLT Is most often used to convert data between different XML schemas or to convert XML data into web pages or PDF documents.
XSLT Stands for Extensible Stylesheet Language Transformations.
Yahoo Is a leading web services provider that provides a Web portal, search engine Yahoo! Search, and related services, including Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo! Finance, Yahoo! Groups, Yahoo! Answers, advertising, online mapping, video sharing, fantasy sports, and its social media website.
YouTube Is an online video-sharing platform owned by Google that allows users to upload, view, rate, share, add to playlists, report, comment on videos, and subscribe to other users.
Zip Is a file extension associated with inZip file compression programs.

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