software designed to meet the user's need; performs a specific task
a compact disk that reads only memory
the media that carries or transports teh mesage (telephone wire, coaxial cable, microwave signal, or fiber optic)
an electronic device that receives data, processes data,s tores data,a nd produces a result
the part of the compute that directs instructions
central processing unit; the brain of the computer
new facts entered into the computer to be processed such as text, numbers, sounds and images
designed to be used on a desktop
a storage device
dot matrix printer
uses a pattern of dots to form words and images on paper
the science of designing equipment and workspace for a comfortable and safe working environment
a document stored on a disk
the central computer where the data and software for local area network computers are stored
a printed copy of output
hard disk drive
a device that holds information such as software and files
information processing cycle
the ineractions of humans and computers that consist of input, processing, output, and storage
sprays ink through small holes to form words and images on paper
the process of entering information into the computer
input, processing, output and storage
contains numbers, letters, symbols, and function keys; looks like a typewriter
designed to be small enough and light enough to be used on your lap.
uses light beams to form words and images on paper
local area network (LAN)
computers connected together in a relatively close location such as in the same building or department
mainframes and minicomputers
used by business and government to process large amounts of information.
a small computer in which the central processing unit or CPU is a single silicon chip.
A device that connects the computer to a telephone line.
when computers are connected to other computers that can share information and sometimes hardware (printers)
designed to be used on a desktop but still small enough to be portable
Displays the results of processing
PDAs Personal Digital Assistants
a handheld device that is often used in conjunction with a desktop or other PC.
smaller and less powerful than the other types of computers
executes instructions given to the computer
the rules that govern the orderly transfer of data sent
random access memory; temporary storage
the computer receiving the message.
read only memory; Permanent storage
Prints copies like a photocopier
the computer that is sending the message
One who repairs hardware and software problems
output that is not in printed form; such as what is seen on the monitor.
Programs that tell the computer what to do.
a device that holds data.
most powerful computer used to do things like predict hurricanes and navigate satellites.
controls the operation of a computer
virus protection software
a program that protects a computer from damaging computer viruses.
provides easy access to the Internet without a having to have a traditional computer
wide area network (WAN)
when local area networks are expanded to include several local area networks within a city, state, region, territory, country, continent, or the world.