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Hardware /Software

Application Software Software designed to meet the user's need; performs a specific task.
CD-ROM A compact disk that reads only memory.
Channel The media that carries or transports the message. (telephone wire, coaxial cable, microwave signal, 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 Processing Unit; the brain of the computer.
Data New facts entered into the computer to be processed, which consist of texts, numbers, sounds and images.
Desktop Computer Designed to be used on a desktop.
Disk A storage device.
Dot Matrix Computer Uses a pattern of dots to form words and images on paper.
Ergonomics The science of designing equpitment and workspace for a comfortable and safe working enviroment.
File A document stored on a disk.
File Server The central computer where the data and software for local area network computers are stored.
Hard Copy A printed copy of output.
Hard Disk/Drive A device that holds information such as software and files.
Hardware Physical parts of a computer.
Information Processing Cycle The interactions of humans and computers that consist of input, processing, output, and storage.
Inkjet Printer Sprays ink through small holes to form words and images on paper.
Input The process of entering information into a computer.
IPOS I-Input P-Processing O-Output S-Storage
Keyboard Contains numbers, letters, symbols, and function keys; looks like a typewriter.
Laptop Computer Designed to be small enough and light enough to be used on 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 the same building or department.
Mainframes and Minicomputers Used by business and government to process large amounts of information.
Microcomputer A small computer in which the central processing unit or CPU is a single silicon chip.
Modem Modulator – Demodulator. A device that connects the computer to a telephone line.
Network When computers are connected to other computers that can share information and sometimes hardware (printers).
Notebook Computer Designed to be used on a desktop but still small enough to be portable.
Output Displays the results of processing.
PDAs (Personal Digital Assistants) A handheld device that is often used in conjunction with a desktop or PC.
Personal Computers Smaller and less powerful than the other types of computers.
Processing Executes instructions given to the computer.
Protocol The rules that govern the oderly transfer of data sent.
RAM R-Random, A-Access, M-Memory; temporary storage.
Reciever The computer recieving the message.
ROM R-Ready, O-Only, M-Memory; permanent storage.
Scanner Printing copies like a photocopier.
Sender The computer sending the message.
Service Technician One who repairs hardware and software problems.
Soft Copy Output that is not in printed form; such as what is seen on the monitor.
Software Programs that tell the computer what to do.
Storage A device that holds data.
Supercomputer Most powerful computer used to do things like predict hurricanes and navigate satellites.
System Software Controls the operation of a computer.
Virus Protection Software A program that protects a computer from damaging computer viruses.
Web TV 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.
Created by: savannahchelle