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Computer terms, dictionary, and glossary

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❶Computer Science Definitions about computer science including computing fundamentals vocabulary, protocol and standards terminology, words about microprocessors and terms used in electronics.

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Lets start with basic Computer Terminology
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Stands for Co mmon B usiness O riented L anguage. Stands for C omponent O bject M odule. This is an application that converts a programming language into a machine language program. Stands for C entral P rocessing U nit. This is the brain of your computer. It is made up of two parts: The Arithmetic Logic Unit this does all the processing and the Control Unit this makes sure every part of the computer is working together to present the information.

Stands for C ascading S tyle S heets. This is a term that gives us a way to sort of "see" what we are surfing while on the Net. It's a generic term for the entire Internet, not just the World Wide Web. Anything that is recorded or used for processing.

The stuff that transfers between computers needed a name -- data seemed good. Anything that accepts data is a database. A pile of newspapers is a database. A computer database has the ability to manipulate that data. It is possible to attach applications to that database to search the contents. Speed that information moves from one item to another. This is usually in the form of bits.

Stands for D irect D igital S ignal. This is a phone line meant specifically for one thing, like being attached to a computer. This is the process of converting analog information like over phone lines into digital information like in a computer. See "Modem" for more. This is a telephone line that is connected to a server. When it is called, tones are exchanged between the server and the devise calling in order to attach. Your CD player is digital. It is a series of small samples of data playing together very quickly 30, times a second.

Digital recording of information means representing the bits of data through ones and zeros. Playing the bits back to again create what was recorded is called digital processing. This stands for D omain N ame S ystem. The Internet runs by assigning different sites "Names.

Getting a DNS error means that the address you are attempting to reach is not recognized by the Internet community. This is a higher level section of the Internet, usually given its own DNS. The domain is the section of an address before the directory slashes start.

Click here if you want one of your own! Stands for D isc O perating S ystem. It is a generic term for the many programs that accept commands to trip applications to run. Stands for D ots P er I nch. This a video screen that is seeing manipulation in another computer.

You are just being offered a window into that world. That window is your screen. It's a terminal, but it's just watching -- thus a dumb terminal.

Stands for E lectronic Mail. E-mail is actually a method of transferring files among computers, rather than the file itself, but that's what the name has come to mean. This is any one of many methods to transfer a file into a hard-to-crack code. It is often done by scrambling or by letter-to-letter replacement.

Engine as in "Search Engine": This is the working part of a database or application. Ethernet This is a method of file transfer that uses dedicated cables rather than dial up phone lines. Ethernets are usually set up attaching end users to a central system like an Intranet. It was invented by Xerox believe it or not.

Basically this is a table of contents in a directory that tells the computer what al is in there. Look at your Netscape cache, you'll see a FAT. It'll be the first file. An FAQ is a file or document where a moderator or administrator will post commonly asked questions and their answers. Fiber-Optic This is a new style of cable being used for very high speed data transmission. It works by pushing modulating a light wave across cable. The data is carried along with the light.

File Sharing This is the most important feature of the Internet. This is a method of allowing one server to give the same file to many different end users. Freeware This a shortened version of Free Software. Programmers offer their work without wanting pay in return. It is a piece of software that allows two items to communicate with each other.

They are used to make connections between computers and systems inside that computer. It is an image format created by Compuserve. Gigabyte GB It's about a billion bytes. Actually it's 2 to the 30th power or 1,,, Gopher One of the first commonly used interfaces for the Internet with a format structure and resource for providing information.

It was created at the University of Minnesota who's mascot is the gopher. It stands for Graphical User Interface. It's the graphical representations you see on the screen. H Hardware These are the physical items including your computer and floppy discs. Helper Application This is an application your browser uses to manipulate a downloaded program. Common language used to write documents on World Wide Web. Common protocol used to communicate between World Wide Web Servers.

Hypertext This is a mark-up language that allows for non-linear transfers of data. The method allows your computer to provide the computational power rather than attaching to a mainframe and waiting for it to do the work for you. Interface This is any type of point where two different things come together. What you see on the screen is the interface between you and what your computer is doing.

IS Stands for Information System. Someone has to say what is the standard for transferring data. These people are it. You'll find them in Paris. Java is delivered over the Internet in the form of little applications or "applets" that do tricks when they download and are read by the browser.

Java Script This is a language very close to Java that allows for more interaction with the viewer. It is much more forgiving than Java as doesn't require it's own window in which to work.

It's an image format that allows for compression when stored. Jughead Search browser like "Archie". K Kilobyte KB This is about a thousand bytes of space. In reality, it's two to the 10th power or 1, bytes. And Intranet would be one of these. It's a smaller network covering a set area. Live Script This is the former name of Java Script. There are few updates between the two. Login To attach to a computer.

It has also come to represent your User ID command. Login Script This is the small text file that is run by the server gateway to make the attachment between it and your computer.

M Mainframe Mostly a mainframe is only a mainframe when compared to a desktop computer. It's bigger and much more powerful. Sometimes it's called a server or CPU.

Megabyte MB About a million bytes of space. Actually it's 2 raised to the 20th power or 1,, bytes of space. It allows a computer to store and replay a musical instrument's output. Modem This is a word created out of the beginning letters of two other words: The words mean the changing of data from digital computer language to analog phone line language and then back again. It represents the purpose of your computer's modem.

Mosaic The first Web browser to have a consistent interface for the Macintosh, Windows, and Unix environments. The success of this browser is really responsible for the expansion of the Web. A format to make, view, and transfer both digital audio and digital video files. Multiplexer This is a piece of hardware that allows one item to take the place of several. An example would be using a multiplexer to allow 10 computers to attach where only one could before.

Network This a system that sends and receives data. Network Adapter This is the hardware that allows the computers that are part of a network to communicate with each other. O Object Something that contains both the data and the application that operates on that data. A larger program made up of smaller objects. Operating System Often written just as OS. This is the software that manages the computer system. It controls all functions and direction. Examples include Windows and Windows It's a software application that allows an attachment to a server.

The hard drive is set of disk platters that sit inside the computer housing. Though other devices may store data, such as thumb drives, the hard drive is resident in your computer and cannot be removed. Whether a graphic card or part of the motherboard, the display adapter is the component of your computer that interprets video signal. They define how frequently your monitor refreshes, how many colors the display supports and the maximum resolutions. Gaming adapters are the most high-end type; they offer 3D graphics and require significant power and cooling.

RAM is always in use as a temporary location to execute instructions from your computer. For example, if you run many programs at once, you may need to upgrade your RAM because your computer is using more memory. An optical drive uses light to read and write data. Optical drives can be either slot loading, or tray loading and come in many different configurations.

Optical drives connect directly to the motherboard of the computer. Different Parts of the Computer and Their Function. Share Share on Facebook. A computer has basic parts in common with other models.

A tower houses just the components that make the computer function. The motherboard is also called the logic, system or base board. The hard drives stores information and sits inside your machine. A display adapter may be a separate video card. RAM controls the instant memory that runs your computer. Optical drives use optical discs. Get great tech advice delivered to your inbox.

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This is a glossary of terms relating to computer hardware – physical computer hardware, architectural issues, and peripherals. A.

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Here is a guide to basic computer terminology for beginners. Basic computer terms are hard to understand at first. Hardware refers to the basic parts that make up your computer. For example a hard drive, memory, and motherboard are part of the hardware of your computer. Basic Computer Terms Hardware - The physical parts of a computer - CPU. Central processing unit; the brain of the computer; controls the other elements of the computer. Disk Drive. A peripheral device that reads and/or writes information on a disk. Hard Drive.

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Here is an extensive alphabetical technology dictionary of terms and accronyms commonly used in the computer industry. Computer Science. Definitions about computer science including computing fundamentals vocabulary, protocol and standards terminology, words about microprocessors and terms used in electronics.