CIS 1200 Lecture Notes - Lecture 2: Coated Paper, Typewriter, Assistive Technology
Document Summary
Strictly de ned, a computer is a data processing device that performs four major functions: Input: gathers data or allows users to enter data. 1: process: manipulates, calculates, or organizes that data into information, output: displays data or information in a suitable form for the user, storage: saves data and information for later use. Data: a representation of a fact or idea that can be a number, a word, a picture, or even a recording of sound. For example, the number 6125553297 and the names derek and. Information: data that has been organized or presented in a meaningful fashion. When your computer provides you with a contact listing that indicates derek washington can be reached by phone at (612) 555-3297, the data mentioned earlier suddenly becomes useful that is, it is information. In order to process data into information, computers need to work in a language they understand.