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DCT Chap 1
Key terms and Definitions
Term | Definition |
---|---|
Software | the programs and other operating information used by a computer. |
Operating System | the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals. |
Hardware | the machines, wiring, and other physical components of a computer or other electronic system. |
Digital | signals or data expressed as series of the digits 0 and 1, typically represented by values of a physical quantity such as voltage or magnetic polarization. |
Hard Drive | a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit. Also called hard disk drive. |
Input | put data into a computer |
Output | produce, deliver, or supply data using a computer or other device |
External Storage Device | Storage device that can easily be removed from a computer. |
Read-only Memory (ROM) | memory read at high speed but not capable of being changed by program instructions. |
E-portfolio | An electronic portfolio (also known as an eportfolio, e-portfolio, digital portfolio, or online portfolio) is a collection of electronic evidence assembled and managed by a user, usually on the Web. |