Week 1: Introduction

Question 1

What were the problems of the early operating systems?

Answer 1

• The users programed the machine via paper tape
• The computers were running one program at a time
• Not used resources were idle

Question 2

What is an operating system?

Answer 2

An operating system is a suite of programs are deal with the hardware

Question 3

What are the main functions of an operating system?

Answer 3

• Manage Hardware
• Support Applications
• Establish user interface

Question 4

List the Computer System Layers

Answer 4

1. Computer Hardware
2. Operating System
3. System and Application programs (compiler, assembler, text editor, db system)
4. CLI, GUI
5. Users

Question 5

What is Time Sharing?

Answer 5

The capability to maintain several jobs at once & share resources