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| Computer | electronic machine, operating under the control of instructions stored in its own memory, that can accept data, manupulate the data according to specified rules, produce results, and store the results for future use |
| Data | a collection of raw unprocessed facts, figures, and symbols. |
| Information | data that is organized, meaningful, and useful |
| User | someone who communicates with a computer or uses the information it generates |
| Hardware | electric, electronic, and mechanical equipment that makes up a computer |
| Software | series of instructions that tells the hardware how to perform tasks |
| Input | data or instructions you enter into a computer |
| Output | data that has been processed into information |
| Storage | an area in a computer that can hold data and information for future use |
| Information Processing Cycle | a series of input, process, output, and storage activities |
| Input Device | any hardware component that allows a user to enter data and instructions into a computer |
| Output Device | any hardware component that can convey information to the user |
| System Unit | box-like case made from metal or plastic that protects the internal electronic components of the computer from damage |
| Central Processing Unit (CPU) | the electronic device that interprets and carries out the basic instructions that operate the computer |
| Memory | temporary holding place for data and instructions |
| Storage Device | records and retrieves items to and from a storage medium |
| Storage Medium | the physical material on which a computer keeps data |
| Hard Disk | provides much greater storage capacity than a floppy disk and usually consists of several circular platters that store items electronically |
| Communication Devices | enable computer users to communicate and to exchange items such as data, instructions, and information with another computer |
| Modem | communications device that enable computers to communicate usually via telephone lines or cable |
