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DCT Chap 1

Key terms and Definitions

TermDefinition
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.
Created by: caydentellez