Competency/Obective
Application Software/ software designed to meet the user's need; performs a specific task.
CD-ROM/ a compect disk the reads only memory
Channel/ the media that carries or transports the message ( telephone wire coaxial cable microwave signals or fiber optic)
Computer/ an electronic device the recieves data, processes data, stores data, and produces a result.
Control Unit/ the part of the computer that directs instructions
CPU/ central proessing unit, the brain of the computer.
Data/ new facts enter into the computer to be processed, which consist of text, numbers, sounds, and images 
Desktop Computer/ desighed to be used on a desktop.
Disk/ a storage device.
Dot Matrix printer/ Used a pattern of dots to form word and images on paper
Ergonomics/ the science of desighing equipment and work space for a comforttable and safe working environment 
file/a document stored an a disk
File server/ the central computer where the data and software for local area network computer are stored
Hard copy/ a printof outpput
hard disk/drive/ a device that holds information such as software and files
Hardware/ pysical parts of a computer
information processing cycle/ the interaction of humans and computers that consist of input, processing, outpue, and storage.
injet printer/sprays ink through small holes to form words and images on paper.
input/ the process of entering info in to the computer
IPOS/ input, output, processing and storage.
keyboard/ containsnumbers, letters,symbols and funtions keys; looks like a typewriter.
laptop computer/ designed to be small enough and light enough to put an your lap.
laser printer/ uses light beams to form words and images on paper.
Local area networks (LAN)/ computers connected together in a relatively close location such as in the same building department.1