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 that receives 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 text, numbers, sounds, and images. |
Desktop computer | designed to be used on a desktop. |
Disk | a storage device. |
Dot Matrix Printer | Uses a pattern of dots to form words and images on paper. |
Ergonomics – the science of designing equipment and workspace for a comfortable and safe working environment | |
File | a document stored on a disk. |
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 | input, processing, output, and 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 in 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 other 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 orderly transfer of data sent. |
RAM | random access memory; temporary storage. |
Receiver | the computer receiving the message. |
ROM | read only memory; Permanent storage. |
Scanner | Prints copies like a photocopier. |
Sender | the computer that is 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 Networks (WAN) | when local area networks are expanded to include several local area networks within a city, state, region, territory, country, continent, or the world. |