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Hardware /Software
Question | Answer |
---|---|
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. |