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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. |