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45 terms

Computer Vocabulary

STUDY
PLAY
Access
to get at or into
Application
a computer program that does a user-oriented job
Calculate
to figure, as to add, subtract, multiply, and so on.
Character
a single letter, digit, or special symbol such as ?, #, or *.
Chip
an integrated circuit. A thin piece of silicon that contains all the components of an electronic circuit.
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 underline bar, that shows where you are on the screen; the cursor may flash or blink
Data
the symbols used to represent facts, events, or things; the raw material of information
Data Processing
a set of methods for collecting, handling, and outputting data to reach certain goals
Disk
a flat, circular piece of metal or plastic coated with magnetic material and used for storing data
Disk Drive
the device used to store data on a disk and to read what is stored on the disk
Expansion Slot
a connector inside a computer designed to allow a user to add
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- for example, keyboards, printers, monitors, and so on
Information
a set of data that has meaning and is useful
Input
the step in the data processing flow during which data is collected and entered into the computer
Integated 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
1,024 (2^10) storage units (1,024 bytes) often rounded to 1,000; a measure of computer memory
Load
to put a program into a computer's primary memory from a disk or tape
Megahertz (MHz)
a measure of speed, one million cycles per second
Memory
a place to store information; usually coded in a binary format
Menu
a list of choices shown on the screen from which the user picks a command or data to enter into the computer
Mircocomputer
a scaled-down version of a mainframe, or full-sized computer
Monitor
a video display device or screen used for showing output
Motherboard
the main circuit board of a computer housing the microprocessor and providing the means of connecting all components that make up the computer
Mouse
a computer input device used as a pointing and drawing instrument by selecting specific positions on the monitor display
Output
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 intermal storage, main storage, primary storage, or random access memory (RAM)
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
Programming Language
a code in which a computer program is written
Random Access Memory (RAM)
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 and interpretting it
Read Only Memory (ROM)
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 from paper or photos into digital form that the computer can use
Secondary Storage
all storage materials other than primary storage
Simulation
a computer program that imitates a real-world situation; it can show what happens when conditions in that situation are changed
Soft Copy
a temporary display of output seen on a monitor
Software
programs, or instructions, that tell a computer exactly what to do