CIS 1200 Lecture Notes - Lecture 1: Productivity Software, Jack Kilby, Device Driver

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1200
• Professor: John Saville

Document Summary

Unit 2- looking at computers: understanding the parts. Page 32-34 - they are data processing devices. Input: gathers or allows users to enter data. Process: manipulates, calculates or organizes the data into info. Output: shows data in a suitable form for the user. Storage: saves data and info for later use. Data: representation of a fact or figure or idea e. g. the number 3 or names etc. Information: data that has been organized or presented in a meaningful fashion e. g. contact list. Collect data to put on id cards and then it organizes it and provides your information. Computers use numbers not words to process data into information using binary language. Binary language only has the values 1, and 0. Both 1, 0 are binary digits or called bit. Each number, character, symbol, letter is made of string of 8 bits (1 byte)