01:198:111 Chapter Notes - Chapter 1.1: Program Counter

• School: Rutgers University
• Department: Computer Science
• Course: 01:198:111
• Professor: Andrew Tjang

Document Summary

Central processing unit (cpu): part of computer that does computing. Single chip (1 sq in in size) Program: list of clear instructions to be mechanically followed by a computer. Machine language: instructions written in this simple type of language. Computer can only execute a program in its specific machine language (can do other programs if first translated) Main memory (ram or random access memory) When cpu executes program, program stored here. Also holds data being used or processed by the program. Consists of sequence of locations that are numbered. Address: provides a way of picking out one particular piece of info from among millions stored in memory. Address of info sent by cpu as signal to memory when cpu needs to access program instruction or data in particular location. Address of information sent by cpu as signal to memory when cpu needs to access program instruction or data in particular location.