CIS 1200 Lecture Notes - Lecture 2: Trackball, Typewriter, Liquid-Crystal Display
23 Mar 2017
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Document Summary
A computer is a data processing device that performs four major functions: Data vs. information: data is a representation of a fact or idea. It can be a number, word, picture or even a recording of sound: eg. Information is data that has been organized or presented in a meaningful fashion: when your body computer provides you with a contact listing that indicates. Derek washington can be reached by phone at 6574663827, the data mentioned earlier suddenly becomes useful information. In order to process data into information, computers need to work in a language they understand. This language is called binary language and it consists of the digits 0 and 1: everything a computer does is broken down into a series of 0s and 1s. If 8 bits are put together, there are 256 possible combinations that they can be in.
