CIS 155 UNIX Operating System, Review Exercises
Chapters 1-2 Questions and Answers.
Chapter 1 Review Exercises.
1. What is a CPU? What are its primary components?
The Central Processing Unit, directs computer activities and consists of Arithmetic and Logic Unit (ALU), Registers, and Control Unit (CU).
3. What is main memory?
Main memory is short term and retains data only for the period that a program is running.
5. What is the instruction set of a computer system?
A program or software.