Computer Vocabulary

46 terms by richajc2011 

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ASCII

An agreed method for pairing the alphanumeric character set with binary representations used in computers.

Binary

Anything that only has two states such as on/off or yes/no.

Binary Code

A coding system that relies on the use of of bits-0s and 1s-to encode information.

Binary Digit

Either character used in the binary number system, so a 0 or a 1.

Bit

A binary digit, a 0 or a 1.

Byte

A grouping of 8 adjacent binary digits or bits, 0s and 1s, operated on by the computer a single unit.

Character

A single letter, digit, or special symbols such as ?, #, or *.

Chip

An integrated circuit. A thin piece of silicon that contains all the components of an electrical circuit.

Computer

A device used to accept, process, store, and get information.

Digital Information

Information that can be expressed in numerical form.

Disk Drive

A mechanism that holds, spins, reads, and writes magnetic or optical disks.

Expansion Slot

A connector inside a computer designed to allow a user to add printed circuit boards-daughter boards - to the mother board.

Floppy Disk

A reusable magnetic storage medium that uses a thin mylar circular disk as the storage surface.

Format

To plan, or design, a document such as a database report or design the way text text will appear on paper; as a verb, to set up or to plan in a design.

Gigabyte

One billion bytes.

Graphics

Pictures or illustrations on a page.

Hard Copy

Output that is printed on paper.

Hard Disk

A reusable magnetic storage medium that uses hard platters as the storage surface.

Hardware

The physical parts of the computer system that you can touch and feel such as the keyboard, monitor, and the computer case.

Input

The data that is entered into a computer. The act of entering data into a computer.

Integrated Circuit

A complete circuit on a chip, built by a chip fabrication process.

Keyboard

A computer input device that uses a set of keys to put data into the computer.

Kilobyte

Storage units often rounded to 1000.

Megabyte

One million bytes.

Megahertz

A measure of speed, one million cycles per second.

Memory

A place to store information, usually coded in a binary format.

Microprocessor

The main processing unit of a computer or information processing device; the "brains" of the machine carrying out instructions, performing calculation, and interacting with the components used to operate the computer.

Monitor

A computer output device that uses a display screen to present the processed information.

Motherboard

The main circuit board of a computer housing the microprocessor and providing the means of connecting that make up the computer.

Mouse

A computer input device used as a pointing and drawing instrument by selecting specific positions on the monitor.

Output

The computer generated information that is displayed to the user in some discernible form such as a screen play, printed page, or sound.

Peripheral Device

A device that is attached to the computer and aids in input and/or output.

Pixel

The smallest unit on a display screen grid that can be stored, displayed or addressed.

Primary Storage

The computer's immediate internal memory, RAM and ROM.

Printer

A machine that prints characters or other images on paper.

Processing

The second step of the data processing flow in which the computer acts on data.

Program

A set of step-by-step instructions that tell a computer exactly how to do a certain task.

RAM

Temporary storage memory chips that form the computer's primary work space; contents are lost if power is disrupted.

ROM

Storage memory chips that are able to maintain their contents if the power is disrupted. ROM chips have their contents determined at the time of their fabrication;can be written to only once.

Scanner

A computer input device that can read text, images, and bar codes and translate them into digital code that a computer understands.

Secondary Storage

Storage that is not involved in the processing information. This type of storage is used to maintain the digital information for later use,

Silicon Chip

A small piece of silicon on which circuits are etched.

Soft Copy

A temporary display of output seen on a monitor.

Software

Programs, or instructions, that tell a computer exactly what to do.

Transistor

A solid device that controls electric current flow without using a vacuum tube.

Vacuum Tube

Glass bulbs like light bulbs that electricity passes through.

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