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access

to get at or into

application

a computer program job that does a user-oriented job

calculate

to figure as to add, subtract or multiply

character

a single letter, digit, or symbol

chip

an integrated circut. A thin piece of siliconthat contains all the componentsof an elctronic circut

command

a message from the user to the computer that tells it what to do next

compatible

a term that describes hardware and software that can work together

computer

a device used to accept, process, store, and get information

cursor

a symbol such as a square or underlined bar that shows you where you are on the screen

data

the symbols used to represent facts, events, or things

data processing

a set of methods used for collecting , handling, and outputting data to reach certain goals

disk

a flat, circular piece of metal or plastic coated with magnetic material used for storing data

disk drive

device used to store data on a disk and to read what is stored on a disk

expansion slot

a connector inside a computer designed to allow a user to add printed circut to the motherboard

floppy disk

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

hard copy

output that is printed on paper

hardware

the physical parts that make up a computer system, like keyboards, printers

information

a set of data that has a meaning and is useful

input

the data that is entered into a computer, the act of entering into a computer

integrated circut

a complete circut on a chip, built by a chip fabrication process

keyboard

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

kilobyte

storage units (1,024 bytes)

load

to put a program into a computer's primary memory from a disk or a tape

megahertz

a measure of speed, one million cycles per second

memory

a place to store information; usually coded in a binary format; see RAM, ROM

menu

a list of choices shown on the screen from which the user picks a command or data to enter onto a computer

microcomputer

a complete computer that has relatavely few electronic parts and peripheral devices

monitor

a video display device or screen used for showing output

motherboard

the main circutboard of a computer housing the microprocessor and providing the means of connecting all the components that make up a computer

mouse

a computer input device used as a pointing and darawing instrument by selecting specific postitions on the monitor

output

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

peripheral device

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

primary memory

the section of a computer that holds instructions, data, and intermediate and final results during processing; also known as internal storage

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 tella computer exactly how to doa certain task

programming language

a code in which a computer program is written

Random Access Memory

form of primary memory in which instructions and data can be read, written, or erased

read

term used to describe the computer's activity of getting an item in memory or interpreting it

Read Only Memory

form of primary memory that holds items that can be read but not erased or changed by normal computer input

scanner

a machine that changes images on paperor photos into a digital form that the computer can use.

secondary storage

all storage materials other than primary memory

simulation

a computer program that imitates a real world situation; it shows what happens

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