Access - To call up information which is out of storage.
Access Time - The amount of time it takes for requested information to be delivered from discs and memory.
Accumulator - A local Storage Area called a register, which the result of an arithmetic or logic operation is formed. It contains a single data register.
Active Cell - The cell in MS Excel with dark boundary is called the active cell.
ALU - It stands for Arithmetic Logical Unit. All calculations in computer are done here.
Amplifier - The circuit board that plugs into a computer and gives it additional capabilities.
Analog Computer - Computer that operates on data which is in the form of continuous variable physical quantities.
Android - It is a Linux based operating system designed primarily for touchscreen mobile devices such as Smartphones and Tablets computer
Algorithm - A step-by-step procedure design to solve a problem or achieve an objective.
Alphanumeric - A character said that contains letters, another special characters such as @, $, +, *, %, etc.
Archieve - It provides Backup storage.
Application Software - It is designed to perform some specific application such as payroll, word processing, graphics etc.
Assembler - A program that translates mnemonic statement into executable instruction.
Backup - Storage of duplicate files on desk, diskettes, other form of magnetic medium (such as tapes) as a safety measure in case the original medium is damaged or lost.
Backspace Key - A key is used on the keyboard to delete that text. Backspace will delete the text to the left of the cursor.
Barcode - A bar code is a machine readable representation of information in a visual format on a surface. The first Barcode system was developed by Norman Joseph Woodland and Bernard silver in 1952.
Bandwidth - The maximum amount of data that can travel in a communication path in a given time, measured in bits per second (bps).
Basic Input Output System (BIOS) - Also known as ROM BIOS. It provides abstraction layer for the hardware that is a consistent way for application programs and operating system to interact with input/output devices.
Batch Processing - Data is processed in a batch.
Binary Code - The language used by computers in which data and instructions are represented by a series of 1s and 0s.
Bitmap - A method of storing a graphic image as a set of bits in a computer memory. To display the image on the screen, the computer converts the bits into pixels.
BIOS - It stands for Basic Input Output System. This program is stored in ROM.
Bit - It is the short form of Binary Digit.
Blog - It is a discussion or informational site published on the World Wide Web.
Bluetooth - The protocol that permits up information between computers, cell phone and other electronic devices within a radius of about 30 feet.
Booting - Booting is bootstrapping process which starts the operating system when a computer is switched on.
Boot Loader - It reads the main portion of the operating system for secondary memory.
Botnet - It is a collection of internet connected programs communicating with other similar programs in order to perform tasks.
Boot Sequence - A boot sequence is the set of operations the computer performs when it is switched on which loads the operating system.
Buffering- The process of sorting data in a memory device, allowing the devices to change the data rates, perform error checking and error retransmission.
Bug- A software bug is an error, flaw, failure, or fault in a computer program or system produces an incorrect or unexpected result.
Bus- Pathway along with electronic signals travel between the components of a computer system.
Byte- One byte is a collection of 8 bits.
Binary Numbering System- A numbering system in which all the numbers are represented by various combinations of the digits that are 0 and 1.
Cell- Cells are boxes created by the intersection of rows and columns.
Cell Pointer- The boundary of active cell is called cell pointer.
Chip- A tiny wafer of silicon containing miniature electric circuits that can store millions of bits of information.
Command- An instruction that causes a program or computer to perform a function.
Compiler- A compiler is a computer program that translates a series of instructions written in one computer Language (called the source language) into another computer language (also called the object of target language).
Communication- The transmission of data from one computer to another or from one device to another is called communication.
Computer Graphics- Computer graphics are visual presentation on a computer screen. Example are photographs, drawings, line arts, graphs, diagrams, typography numbers, symbols, geometric designs, maps, engineering drawings, or other images.
Cold Boot- When a computer restarts after the power cut is called Cold boot.
Control Panel- It is the part of Windows menu, accessible from the start menu, which allows users to review and manipulate basic system settings and controls. Such as adding hardware, adding/removing software, controlling user accounts, changing accessibility options.
Copyright- It means the material and information are the personal property of the owner or producer.
Counterfeiting- The process of making and distributing illegal copies of software packages.
Chat- The method of communication in which people type text messages to each other thereby holding up conversation over a network such as the internet.
Clipboard- Are holding area in memory where information that has been copied or cut (, graphics, sound, or video) can be stored until the information is inserted elsewhere.
CMOS- A type of computer chip which is able to operate with a very small amount of electricity from a battery. CMOS stands for Complementary Metal Oxide Semiconductor.
Cookie- A packet of information that travels between a browser and web server.
Crash- Malfunction in hardware or software that keeps a computer from functioning.
Cracker- A Cracker is a person who breaks into a computer system to steal the information as programs for unauthorized use.
Crawler- It is an internet but which systematically browses the World Wide Web, typically for the purpose of web indexing (web spidering).
CU- It stands for Control Unit. It controls the computer system.
Data- Information consisting of letters, numbers, symbols, sound, or images - in a form that can be processed by a computer.
Database- A database is a collection of information that is organized so that it can easily be accessed, managed and updated.
Data Abstraction- It is the reduction of a particular body of data to a simplified representation of the whole.
Data Capture- It is a process of collecting or capturing data from a site on a source.
Data Manipulation- Captured data are manipulated to produce information.
Data Processing- It refers to the process of collecting and manipulating raw data to yield Useful information.
Disk Operating System (DOS) - Hard disk operating system is a computer operating system that can be used as a disk storage device, such as a floppy disk, hard disk drive, or optical disk.
Debugging- Locating and eliminating defects in a program.
Delete- A command to erase storage.
Directory- A list of the files stored on a disc.
Dots Per Inch (DPI) - It is defined as the measure of the resolution of a printer, scanner, monitor.
Download- A copy (data) from one computer system to another, typically over the internet.
DBMS- It stands for Database Management System. It is a software package to manage database.
DHTML- It stands for Dynamic Hypertext Markup Language. It is used to create dynamic content on web pages.
Dial up Networking- It is the method by which computer is connected to the internet using telephone.
DOS- It stands for Disc Operating System. It is an operating system.
Editing- The process of changing information by inserting, deleting, replacing, rearranging and reformatting.
EDO (Extended Data Output) - RAM is a type of Random Access Memory (RAM) chip that improves the time to read from memory on faster microprocessors such as the Intel Platinum.
E-Mail- Electronic mail, abbreviated e-mail is a method of composing, ending, storing and receiving messages over electronic communication systems.
Encapsulation- It is a mechanism that Associates the code and the data it manipulates into a single unit and keep them safe from external interference.
Encryption- In cryptography, encryption is the process of encoding messages (or information) in such a way that hackers cannot read it, but the authorized users can access it.
Entity- An entity is something that has certain attributes or properties which may be assigned values.
Ethernet Card- Network adaptor that enables a computer to connect to an Ethernet.
Ethics- Ethics are rules and beliefs.
Execution Time- The total time required to execute a program on a particular system.
Export- To save information from one computer or program to another.
Fax- It stands for ’Facsimile Machine’. It is used to transmit a copy of a document electronically.
Field- The attributes of an entity are written as fields in the table representation.
File- A collection of information stored electronically and treated as a unit by a computer. The file must have its own distinctive name.
File Manager- The file manager is an Operating System utility that provides a user interface to work with the file system.
File Server- A computer on a network that stores the programs and data files shared by the users.
Firmware- From where is the technology which has the combination of both hardware and software.
Fax Modem- A device building to attach to a computer that serves as a facsimile machine and a modem.
Floating Point Numbers- Signed numbers held in a traction exponent format.
Floppy Disk- A floppy disc is a data storage device that is composed of a circular piece of thin, taxable (i.e., floppy) magnetic storage medium encased in a square or rectangular plastic walled.
Flowcharts- Flowcharts are the means of visually representing the flow of data through and information processing system, the operations performed within the system and the sequence in which they are performed.
Format- To set margins, tabs, font or line spacing in layout of a document.
Frame- The basic packages of information on a network channel.
Frequency- The number of oscillations of a signal per unit of time. It is usually expressed in cycles per second (CPS or hertz Hz).
Function Key- A special key on a computer keyboard or a terminal devices keyboard that is used to perform specific functions. Keys F1 to F10.
Gigahertz (GHz) - The measurement used to identify the speed of the central Processing Unit.
GML- It stands for General Mark-Up Language.
Graphic Interchange Format (GIF) - A simple file format for pictures and photographs that are composed so that they can be sent quickly.
Graphical User Interface (GUI) - A graphical user interface is a method of interacting with a computer through a metaphor of direct manipulating of graphical images and widgets in addition to text.
Glitch- Hardware problem that causes a computer to malfunction or crash.
Hard Copy- Text or graphics printed on a paper, also called a print out.
Hard Disk- A rigid type of magnetic medium that can store large amounts of information.
Hardware- The physical components of a computer.
Host Computer- A computer that provides information or a service to other computers on the internet.
Hacker- A computer criminal that penetrates and tempers with computer programs or systems.
High Level Programming Languages- A high level programming language is a programming language with strong abstraction from the details of the computer.
Html- It stands for Hypertext Markup Language. It is used to create web-pages.
Instant Messaging- A chat program that lets people communicate over the internet in real time.
Integrated Circuit- Multiple electronic components combined on a tiny Silicon chip.
Interface- The electrical connection that links to pieces of equipment so that they can communicate with each other.
Intranet- A private network established by an organisation for the Exclusive use of its employees.
Icon- Or symbol (such as a picture or a folder) that represents a certain function on your computer.
Information- Information is the summarization of data according to a certain predefined purpose.
Import- In order to give instructions to a computer, the information has to be supplied to it.
Instruction- A command or order given to a computer to perform a task.
Instruction Cycle- Fetching and decoding operations of the machine cycle.
Interface- A device or program that helps the user to communicate with the computer.
Interpreter- A program that converts and execute the source code into machine code line by line.
Internet Society- It was formed in 1992 to promote the use of internet.
Integrated Circuits- Multiple electronic components combined on a silicon chip.
Java- A programming language designed for programs or applets used over the internet.
JPEG- Joint Photographic Expert Group is an ISO/IEC group of experts that develop and maintain standards for a suite of Compression algorithms for computer image files.
Kernel- It is the fundamental part of a program, such as an Operating System, that resides in memory at all times.
Key Field- Unique field in a record used to distinguish one record from another.
Label- One or more characters used to identify a statement and instruction or a data in a computer program.
Landscape- A printer feature generally controlled by software which rotates output image by 90 degree to print across the length rather than the width of the paper.
Link- A communication path between two Nodes or Channel.
Linux- Type of open source software. When combined with other components, Linux serves as an increasingly popular operating system that competes with Microsoft Windows.
Loop- A sequence of instructions that is executed repeatedly until a terminal condition occurs.
MAC OS- It is an operating system used in Macintosh computer, developed by Apple.
Megahertz (MHz) - A measurement used to identify the speed of the central Processing Unit.
Memory- The part of computer that stores information.
Menu- A list of choices shown on the display screen.
Merge- Combining two or more files into a single file.
Microprocessor- A complete central Processing Unit (CPU) contained on a single Silicon chip.
MIDI- Stands for music instrument digital interface. It allows a computer to store and replay a musical instrument’s output.
Minimize- A term used in a GUI operating system that uses Windows. It refers to reducing a window to an icon or a label at the bottom of the screen, allowing another window to be viewed.
MIPS- An acronym derived from millions of instruction per second (MIPS). It is used to measure the speed of a processor.
Morphing- The transformation of one image into another image.
Modem- It is a device to connect different computer systems to the internet using telephone or cable lines.
MS-DOS- An early operating system developed by Microsoft Corporation (Microsoft disc operating system).
Multitasking- Multitasking can be used to simultaneously work with several programs or integrated task that share memories, codes buffers and files.
Multithreading- It is a facility available in an operating system that allows multiple functions from the same application packages.
Multi User- The term describing the capability of a computer system to be operated at more than one terminal at the same time.
Multiplexer- It is a device that combines multiple input signals into an aggregate signal for transmission.
Notebook Computer- A portable computer, also known as a laptop computer.
Object- Refers to a particular instance of a class as the object can be a combination of variables, functions and data structures.
Online Processing- It is used when data are coming continuously without delay.
Operating Unit- It is used to take output from the computer.
Operating System (OS) - Software that manages the internal functions and controls the operations of a computer.
Open Source Software (OSS) - Free Open Source Software (FOSS), also called just open source or free software, is licensed to be free to use, modify and distribute.
Optical Character Reader (OCR) - A device that can scan text from hard copy and enter it automatically into a computer for storage or editing, also called an optical scanner.
Password- A user’s secret identification code required to access the stored material.
Patch- A patch is a piece of software designed to update a computer program or its supporting data, to fix or improve it.
Piracy- Unauthorized copying of some purchased software.
Pixel- The pixel is the basic unit of Programmable colour on a computer display or in a computer image.
Port- It is the female part of a connection. Computer ports have many uses, to connect a monitor, webcam, speakers, or other peripheral devices.
Portrait- It is a mode in which the printer orients content for reading across the shorter length (the weight) of the sheet of paper.
Plug And Play- The ability to plug in a peripheral and have it work without difficulty.
Primary Key- A primary key is a field in a table which is unique and enables you to identify every record in the table.
Primary Memory- It is the main memory of a computer system.
Program- An established sequence of instructions that tells a computer what to do. The term program means the same as software.
Pseudo Code- Pseudo code is an artificial and informal language that helps programmers develop algorithm.
Push Technology- A process that allows a user to obtain automatic delivery of specified information from the internet to the user’s computer. For example, stock market quotes, weather forecasts, and sports scores.
Query- A query is a request to extract information from a database.
Queue- A queue is an example of a linear data structure, or more abstractly are sequential collection.
Range Of Cells- It is group of neighbouring cells that touch each other.
Record- A record (also called compound data) is a basic Data Structure. A record is a collection of fields, possibly of different data types, typically in fixed number and sequence.
Response Time- The timer computer takes to execute a command.
Retrieve- To call up information from memory or storage, so that it can be processed in some way.
Rich Text Format (RTF) - RTF is a file format that lets you exchange text file between different word processors in different operating systems.
Routing- Routing is the process of selecting a path for traffic in a network, or between or across multiple networks.
Scanner- Scanner is a device that captures images from photographic print, posters, magazine pages, and similar sources for computer editing and display.
Scroll- To move information horizontally or vertically on a display screen so that one can see parts of a document that is too wide or too deep to fit entirely on one screen.
Search Engine- A free program that helps web users locate data by means of a keyboard or concept.
Sector- A sector is a subdivision of a track on a magnetic disk or optical disk.
Secondary Memory- It is the permanent memory of the computer.
Server- A computer that delivers data to other computers (clients) linked on the same network.
Shareware- Software that usually me be downloaded and used initially without charge.
Socket- Network socket is an endpoint of a connection in a computer network.
Software- It relates to sets of programs.
SOLARIS- It is a UNIX like operating system developed by Sun Microsystems.
Sorting- It is arranging of data in order.
Swapping- A process can be swapped temporarily out of memory to a backing Store, and then brought back into memory for continued execution.
System Software- It performs the basic functions that are necessary to operate a computer system.
Synchronization- Synchronization is the coordination of events to operate a system in Unison.
Tag- It is a part of HTML. It is the way, the browser displays text in a web page.
Telecommunication- The process of sending and receiving information by means of telephones, satellites, and other devices.
Telnet- A protocol that allows a computer to connect with a host computer on the internet.
Template- Refers to a sample document that has already some details in place.
Terminal- Any device that can transmit and receive electronic information.
Text- Broadly speaking, the material displayed on a screen or printed on a paper.
Time Sharing Or Multitasking - Time sharing is a technique which enables many people, located at various terminals, to use a particular computer system at the same time.
Topology- Topology is the arrangement of various elements (links, nodes, etc.) of a computer network.
Touchpad- The device on a laptop computer that takes the place of a mouse.
UNIX- It is a powerful multiuser operating. It uses command line user interface.
Universal Serial Bus (USB) - A common standard for connecting multiple peripherals to a computer as needed.
Upload- Uploading is the transmission of a file from one computer system to another, usually larger operating system.
Utility- A utility is a small program that provides an addition to the capabilities provided by the operating system.
User-Friendly- Describes hardware or software that is easy to you.
Virus- It is a harmful computer program.
Webcam- A video camera that sends live images over the internet to a website.
Zip- ZIP is an Archive file format that supports lossless data compression. A ZIP file may contain one or more files or directories that may have been compressed.
Zoom- Zoom is another name for maximize, to enlarge the data size or image size.