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computers
software and hardware
58
Computer Networking
7th Grade
11/07/2011

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Term
application software
Definition
software designed to meet the user's need; performs a specific task.
Term
CD-ROM
Definition
a compact disk that reads only memory.
Term
channel
Definition
the media that carries or trasports the message.
Term
computer
Definition
an electronic devise that receives data, process data, stors data, and produces a results.
Term
control unit
Definition
the part of the computer that directs instructions.
Term
cpu
Definition
Central processing unit the brain of the computer.
Term
Data
Definition
new facts enterd into the computer to be prosessed which consist of text numbers sounds and images.
Term
Desktop Computer
Definition
designed to be used on a desktop.
Term
Disk
Definition
a storage device.
Term
dot matrix printer
Definition
uses a pattern of dots to form words and images on paper.
Term
Ergonomics
Definition
the science of designing equipment and workspace for a comfortable and sage working enviroment
Term
scaFile
Definition
a document stored on a disk
Term
File server
Definition
the central computer where the data and software for local area network computers are stored
Term
Hard Copy
Definition
a printed copy of output
Term
Hard Disk/Drive
Definition
a device that holds information such as software and files
Term
Hardare
Definition
physical parts of a computer
Term
Information Processing Cycle
Definition
the interactions of humans and computers that consist of input, processing, output, nad storage
Term
Inkjet printer
Definition
sprays ink through small holes to form words and images on paper
Term
Input
Definition
the process of entering information into a computer
Term
IPOS
Definition
input, processing, output, and storage
Term
Keyboard
Definition
contains numbers, letters, symbols, and function keys; looks like a typewriter
Term
Laptop Computer
Definition
designed to be small enough and light enough to be used on your lap
Term
Laser Printer
Definition
uses light beams to form words and imagers on paper
Term
Local Area Networks(LAN)
Definition
computers connected together in a relatively close location such as in the same building or department
Term
Mainframes and minicomputers
Definition
used by busimess and government to process large amounts of information
Term
Microcomputer
Definition
a small computer in which the central processing unit or CPU is a single silicon chip
Term
Modem
Definition
Modulator-Demodulator-A device that connects the computer to telephone line
Term
Network
Definition
when computers are connected to other computers that can share information and sometimes hardware(printers)
Term
Notebook computer
Definition
designed to be used on a desktop but still small enough to be portable
Term
Output
Definition
Displays the results of processing
Term
PDAs(Personal Digital Assistants)
Definition
a handheld device that is often used in conjunction with a desktop or other PC
Term
Personal Computers
Definition
smaller and less powerful than the other types of computers
Term
Processing
Definition
executes instructions given to the computer
Term
Protocol
Definition
the rules that govern the orderly transfer of data sent
Term
RAM
Definition
random access memory;temporary storage
Term
Receiver
Definition
the computer receiving the message
Term
ROM
Definition
read only memory; Permanent storage
Term
scanner
Definition
prints copies like a photocopier
Term
sender
Definition
the computer that is sending the message
Term
Service Technician
Definition
One who repairs hardware nad software problems
Term
Soft Copy
Definition
output that is not in printed form; such as what is seen on the monitor
Term
Software
Definition
programs that tell the computer what to do
Term
storage
Definition
a device that holds data
Term
supercomputer
Definition
most powerful computer used to do things like predict hurricanes and navigate satellites
Term
system software
Definition
controls the operation of a computer
Term
Virus Protection Software
Definition
a program that protects a computer from damaging computer viruses
Term
Web TV
Definition
provides easy access to the Internet without a having to have a traditional computer
Term
Wide Area Networks(WAN)
Definition
when local area networks are expanded to include several local area networks within a city, state, region, territory, country, continent, or the world.
Term
Alphabetic keys
Definition
letter keys on the keyboard
Term
enter/return
Definition
used to move teh cursor down a line
Term
GWAM(Gross Word a Minute)
Definition
the number of keystrokes a typist can make in a timed period; can calculate by dividing the total number of standard words keyed by the number of minutes that the typist was timed.
Term
QWERTY keyboard
Definition
the most commonly used keyboard arrangement
Term
space bar
Definition
used to insert spaces between characters
Term
standard keyboarding word
Definition
five characters or any combination of five characters and spaces
Term
technique
Definition
the form and keying style that a typist uses while operating the keyboard
Term
touch-method
Definition
to key by touch rather than by tehe hunt-and-peck method
Term
posture
Definition
the way the typist sits; the way the typist's arms, wrists, fingers, legs and feet are placed
Term
work area
Definition
arrangement of the keyboard, copy, mouse, and other materials on the desk
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