a computer program that does a user oriented job
to figure, as to add, subtract, multiply, and so on
a single letter, digit, or special symbol such as ?, #, or *.
an intergrated circuit. a thin piece of silicon that contains all the components
of a electrecal circuit
a message from the user to the computer and tells it what to do next
a term that describes hardware and software that can work together
a device used to accept, process, store, and get information
a symbol, such as a square or underline bar , that shows where you are on
the screen; the cursor may flash or blink
the symbols used tor epresent facts, events, or things; the raw information
a set of methods for collecting, handling, and outputting data to reach certain
a flat circular piece of metal or plastic coated with magnetic material and used
for storing data
the device used to store data on a disk and to read what is stored in it
A connector inside a computer designed to allow a user to add printed circuit
boards-daughter boards-to the motherboard.
a reusable magnetic storage medium that uses a thin mylar circular disk as
the storage surface
output that is printed on paper
the physical parts that make up a computer system-for example, keyboards,
printers, monitors, and so on.
a set of data that has meaning and is useful
the step in the data processing flow during which data is collected and
entered into the computer.
circuitry whose parts are etched together on a small silicon chip less than one
fourth of a inch square
an input device that usually has keys like those on a typewriter
1024 (2^10) storage units (1024 bytes) often rounded to 1000; a measure of
to put a program into a computers primary memory from a disk or tape
a measure of speed, one million cycles per sec
a place to store information ; usually coded in binary format; see RAM, ROM
a list of choices shown on the screen from which the user picks a command
or data to enter into the computer
a complete computer that has relativitly few electronic parts and peripheral
a video display or screen used for showing output
the main circuit board of a computer housing the microsprocesser and
providing the means of connecting all the components that make up the
a computer input device used as a pointing and drawing instrument by selecting specific positions on the moniter display
the computer generated information that is displayed to the user in some
discernable form such as screen display, printed page or sound
a device that is attached to the computer and aids in input and/or output
the section of a computer that holds instructions, dats, snd intermidiate and final results during processing; also known as internal storage, main storage, primary storage, or random access memory.
a machine that prints characters or images on paper
a set of step by step instructions that tell a computer exactly how to do a certain task
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