Glossary of Computer terms notes pdf in English

Glossary of Computer terms notes pdf in English

Glossary of Computer terms notes pdf in English

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Glossary of Computer terms notes pdf in English:- Today we are sharing Glossary of Computer terms notes pdf in English. This Glossary of Computer terms notes pdf in English for upcoming examination like CCC, BANK, LIC, C++, TET, PATWARI, VDO, POLICE, RAJ CET EXAM, REET, RAS, NTPC, TEACHER, ALL STATE PCS EXAM. Glossary of Computer terms notes pdf in English for Bank IBPS. RRB, SBI PO & Clerk, CCC, O Level NIELIT, SSC, UPSC, PCS, Delhi Police, NRA CET, computer GK, and all competitive exams general studies exam paper available here for free download.

Glossary of Computer terms notes pdf in English Computers are an essential part of every part of human life. A computer includes various concepts, terms, and terminologies to know & learn about their various new technologies. It is so important to understand each and every component of a computer and its terminologies to understand a computer as a whole. In this article, we will look at the most basic computer terminology with all the basic information you are needed and very useful for any competitive exams preparation. Like SSC, IBPS, RRB, Railway, UPSC & any other Government & Private IT Exams. This is one of the most important frequently asked topics in the Computer Awareness section for various examinations. is an online educational website, where we are providing Glossary of Computer terms notes pdf in English free DOWNLOAD for UPSC, SSC, BANK, RAILWAY, LIC, and many other exams. Our Computer notes pdf download in Hindi is very simple and easy to understand. We also cover basic subjects like Mathematics, Geography, History, Politics, etc. We also share study material including previous year question papers, current affairs, important sources, etc. for upcoming government exams. Our PDF will help you prepare for any SARKARI EXAM.

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Glossary of Computer terms

RAID- Redundant Array of Inexpensive Disks, a method of spreading information across several disks set up to act as a unit, using two different techniques:

Disk striping – storing a bit of information across several discs (instead of storing it all on one disc and hoping that the disc doesn’t crash).

Disk mirroring – simultaneously storing a copy of information on another disc so that the information can be recovered if the main disc crashes.

RAM- Random Access Memory, one of two basic types of memory. Portions of programs are stored in RAM when the program is launched so that the program will run faster. Though a PC has a fixed amount of RAM, only portions of it will be accessed by the computer at any given time. Also called memory.

Right-click- Using the right mouse button to open context-sensitive drop-down menus.

ROM- Read-Only Memory, one of two basic types of memory. ROM contains only permanent information put there by the manufacturer. Information in ROM cannot be altered, nor can the memory be dynamically allocated by the computer or its operator.

Scanner- An electronic device that uses light-sensing equipment to scan paper images such as text, photos, and illustrations and translate the images into signals that the computer can then store, modify, or distribute.

Search engine- Software that makes it possible to look for and retrieve material on the Internet, particularly the Web. Some popular search engines are Alta Vista, Google, Hot Bot, Yahoo!, Web Crawler, and Lycos.

Glossary of Computer terms

Server- A computer that shares its resources and information with other computers, called clients, on a network.

Shareware- Software created by people who are willing to sell it at low cost or no cost for the gratification of sharing. It may be freestanding software, or it may add functionality to existing software.

Software- Computer programs; also called applications.

Spider- A process search engines use to investigate new pages on a web site and collect the information that needs to be put in their indices.

Spreadsheet- Software that allows one to calculate numbers in a format that is similar to pages in a conventional ledger.

Storage- Devices used to store massive amounts of information so that it can be readily retrieved. Devices include RAIDs, CD-ROMs, DVDs.

Streaming- Taking packets of information (sound or visual) from the Internet and storing it in temporary files to allow it to play in continuous flow.

Stylus and tablet- An input device similar to a mouse. The stylus is pen shaped. It is used to draw on a tablet (like drawing on paper) and the tablet transfers the information to the computer. The tablet responds to pressure. The firmer the pressure used to draw, the thicker the line appears.

Glossary of Computer terms

Surfing- Exploring the Internet.

Surge protector- A controller to protect the computer and make up for variances in voltage.

Telnet- A way to communicate with a remote computer over a network.

Trackball- Input device that controls the position of the cursor on the screen; the unit is mounted near the keyboard, and movement is controlled by moving a ball.

Terabytes (TB)- A thousand gigabytes.

Teraflop- A measure of a computer’s speed. It can be expressed as a trillion floating-point operations per second.

Trojan Horse
See virus.

UNIX- A very powerful operating system used as the basis of many high-end computer applications.

Upload- The process of transferring information from a computer to a web site (or other remote location on a network). To transfer information from a computer to a web site (or other remote location on a network).

URL- Uniform Resource Locator.

The protocol for identifying a document on the Web.
A Web address (e.g., A URL is unique to each user. See also domain.
UPS- Universal Power Supply or Uninterruptible Power Supply. An electrical power supply that includes a battery to provide enough power to a computer during an outage to back-up data and properly shut down.

USB- A multiple-socket USB connector that allows several USB-compatible devices to be connected to a computer.

Glossary of Computer terms

USENET- A large unmoderated and unedited bulletin board on the Internet that offers thousands of forums, called newsgroups. These range from newsgroups exchanging information on scientific advances to celebrity fan clubs.

User friendly- A program or device whose use is intuitive to people with a non-technical background.

Video teleconferencing- A remote “face-to-face chat,” when two or more people using a webcam and an Internet telephone connection chat online. The webcam enables both live voice and video.

Virtual reality (VR)

MHz- An abbreviation for Megahertz, or one million hertz. One MHz represents one million clock cycles per second and is the measure of a computer microprocessor’s speed. For example, a microprocessor that runs at 300 MHz executes 300 million cycles per second. Each instruction a computer receives takes a fixed number of clock cycles to carry out, therefore the more cycles a computer can execute per second, the faster its programs run. Megahertz is also a unit of measure for bandwidth.

Microprocessor- A complete central processing unit (CPU) contained on a single silicon chip.

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Glossary of Computer terms

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.

Modem- A device that connects two computers together over a telephone or cable line by converting the computer’s data into an audio signal. Modem is a contraction for the process it performs : modulate-demodulate.

Monitor- A video display terminal.

Mouse- A small hand-held device, similar to a trackball, used to control the position of the cursor on the video display; movements of the mouse on a desktop correspond to movements of the cursor on the screen.

MP3- Compact audio and video file format. The small size of the files makes them easy to download and e-mail. Format used in portable playback devices.

Multimedia– Software programs that combine text and graphics with sound, video, and animation. A multimedia PC contains the hardware to support these capabilities.

MS-DOS- An early operating system developed by Microsoft Corporation (Microsoft Disc Operating System).

Network- A system of interconnected computers.

A technology that allows one to experience and interact with images in a simulated three-dimensional environment. For example, you could design a room in a house on your computer and actually feel that you are walking around in it even though it was never built. (The Holodeck in the science-fiction TV series Star Trek : Voyager would be the ultimate virtual reality.) Current technology requires the user to wear a special helmet, viewing goggles, gloves, and other equipment that transmits and receives information from the computer.

Glossary of Computer terms

Petaflop- A theoretical measure of a computer’s speed and can be expressed as a thousand-trillion floating-point operations per second.

Platform-  The operating system, such as UNIX, Macintosh, Windows, on which a computer is based.

Plug and play- Computer hardware or peripherals that come set up with necessary software so that when attached to a computer, they are recognized by the computer and are ready to use.

Pop-up menu-  A menu window that opens vertically or horizontally on-screen to display context-related options. Also called drop-down menu or pull-down menu.

Power PC-  A competitor of the Pentium chip. It is a new generation of powerful sophisticated microprocessors produced from an Apple-IBM-Motorola alliance.

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