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DCT chp 1
key terms
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 | tools, machinery, and other durable equipment. |
digital | 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 | what is put in, taken in, or operated on by any process or system. |
output | the amount of something produced by a person, machine, or industry. |
external storage device | External storage is all addressable data storage that is not currently in the computer's main storage or memory. |
read only memory | 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. |