CP102 Chapter 2: Chapter 2
Document Summary
Chapter 2: looking at computers: understanding the parts. Computer: a data processing device that performs four major functions. Input: it gathers data, or allows users to enter data. Process: it manipulates, calculates, or organizes that data into information. Output: it displays data and information in a form suitable for the user. Storage: it saves data and information for later use. Data: a representation of a fact, a figure, or an idea. Data can be a number, a word, a picture, or even a recording of sound. Information: data that has been organized or presented in a meaningful fashion. Processing: manipulating, calculating or organizing data into information. Binary language: consists of two digits; 0 and 1. Everything a computer does, such as processing data, printing a report, or editing a photo, is broken down into a series of 0s and 1s. Binary digit (bit): a digit that corresponds to the on and off states of a computer"s switches.
