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software and hardware
computers
62
Computer Networking
7th Grade
11/05/2011

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Cards

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 transports the message.(telephone wire, coaxial cable, microwave signal optic)
Term
computer
Definition
an electronic device that  receives data, processes data, stores data, anmd produces a result. 
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 entered into the computer to be processed, 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 safe working environment.
Term
file
Definition
a document stored on a disk.
Term
file server
Definition
the central computer where the data and software for local area network computers.
Term
hard copy
Definition
a printed copy of output
Term
hard disk/drive
Definition
a device that holds information such a software and files.
Term
hardware
Definition
physicalm parts of a computer
Term
information processing cycle
Definition
the interactions of humans and computers that consist of input, processing, output, and 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
the processing, output, and storage
Term
Alphabetic keys
Definition
Letter keys on the keyboard
Term
keyboard
Definition
contains numbers, letters,symbols, and functions 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 forms words and images 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 business and governments 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-dempodulator. A device that connects  the computer to a telephone line.
Term
network
Definition
when computers are connected to other computers that can share information and  sometimes hardware (printer)
Term
notebook computer
Definition
designed to be used on a desktop but still small enough to be portable.
Term
output
Definition
display the result of processing.
Term
PDA's (personal digital assistants)
Definition
a handheld device that is often used in conjunction with a desktop or other PC.
Term
Personal computers
Definition
smaller a 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 recieving the message
Term
ROM
Definition
read only memory; permanent storage.
Term
scanner
Definition
prints copies like a photocopier.
Term
sender
Definition
the computer is sending the message.
Term
Alphabetic keys
Definition
Letter keys ojn the keyboard
Term
service technician
Definition
one who repairs hardware and 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 hurricans and navigate satellites.
Term
system software
Definition
controls the operation of a computer.
Term
virus protection software
Definition
a program that protcts a computer from a 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, teritory, country, continent, or the world.
Term
Enter/return
Definition
Used to move the cursor down a line
Term
Enter/return
Definition
Used to move the cursor down a line
Term
GWAN (Gross Words 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 arrangment
Term
space bar
Definition
Used to insert spaces between character.
Term
standard keyboarding word
Definition
Five characters or any combination of five characters and spaces
Term
Tehnique
Definition
The form and keying style that a typist uses while opersting the keyboard
Term
Touch-method
Definition
To key by touch rather than by the hunt-and-peack method
Term
Posture
Definition
The way the typist sits;the way the typis'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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