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C2 Vocabulary 0413

Control unit retrieves the instructions and sends command signals to the rest of the computer system to tell them what to do. Byte can represent one alphabetic or one numeric character of information
Arithmetic logic ALU, is the sector of the CPU that performs the mathematical calculations that are required in many data processing programs Video can be input into the computer with the use of digital cameras, video cameras, or Web cams
Memory Unit allows storage of information, is internal to the computer, and is divided into two types of memory Pixel is a single colored square on the screen
Keyguards are hard plastic covers with holes for each key RAM temporary memory that is designed to hold new data and is available only while the computer is turned on
Cache provides a temporary storage area that provides a quick access to information ROM permanent internal memory inside the system, is inaccessible by the user, and is used to store the instructions that are installed or programmed at the manufacturer
Input device allows the input of data into the computer Mousepad allows good movement of the mouse and comes in trendy designs
Computer system refers to the computer and other support devices Bit smallest unit of binary information
Central processing unit the processor
Created by: samikay5