CP102 Chapter Notes - Chapter 2: Liquid-Crystal Display, Inkjet Printing, Computer Hardware
Document Summary
Chapter 2: looking at computers: understanding the parts. Data vs. informaion: data: a representaion of a fact, a igure, or an idea, informaion: data that has been organized or presented in a meaningful fashion. To process data into informaion, computers need to work in binary language. Binary language: consists of just two digits 0 and 1: binary digit (bit): each 0 and 1, byte: eight binary digits combined. Bits and bytes can also be used to represent the quanity of data and informaion that the computer inputs and outputs: kilobyte, megabyte, gigabyte, terabyte, petabyte. Hardware: any part of the computer you can physically touch. Most common type of system sotware is operaing system (os): program that controls your computer system funcions. Desktop computer (consists of a separate tower called the system unit) Peripheral device: a component that connects to the computer: ex.
