| A | B |
|---|
| 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 |
| 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 |
| Hardware | physical parts of a computer |
| 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 |
| LAN | computers connected together in a relatively close location such as in the same building or department |
| Mainframes | 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 |
| 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 |
| PDAs | a handheld device that is often used in conjunction with a desktop or other PC |
| Personal Computer | smaller and less powerful than the other types of computers |
| Protocol | the rules that govern the orderly transfer of data sent |
| Receiver | the computer receiving the message |
| Sender | the computer that is sending the message |
| Software | Programs that tell the computer what to do |
| Supercomputer | most powerful computer used to do things like predict hurricanes and navigate satellites |
| Web TV | provides easy access to the Internet without a having to have a traditional computer |
| WAN | when local area networks are expanded to include several local area networks within a city, state, region, territory, country, continent, or the world |
