01:198:170 Study Guide - Midterm Guide: Arithmetic Logic Unit, Boolean Expression, Mega Millions

• School: Rutgers University
• Department: Computer Science
• Course: 01:198:170
• Professor: F Geraci

Document Summary

Memory stores both: a program while it is running, the data on which the program operate. Addresses: every memory location has an address, whole numbers starting at 0. Values: memory locations record or store values. Cpu: alu: central processing unit > within the cpu is the alu (arithmetic logic unit, performs mathematical operations and comparisons, these circuits are combined to perform more complex operations. It uses logic gates or simpler circuits that implement operations like and and or. Input unit and output unit: circuits and connections through which information moves into and out of the computer, a computer without an input/output is useless. Added processing by a piece of software called a device driver gives the keyboard its standard meaning and behavior. Branch and jump instructions: not all instruction follow a strict sequence, the instruction may include another memory location (address) to go next. Instead of going to pc+4: the computer jumps or branches to the specified location (address)