Lecture 4.1

Question 1

What is an operating system?

Answer 1

A software program that assists all applications with communicating with hardware.

Question 2

What are the 3 objectives of the OS

Answer 2

Convenience, evolution, efficiency

Question 3

What is mutual exclusion?

Answer 3

That the OS will allow one process to use one resource at at time.

Question 4

What are the 10 services provided by an OS?

Answer 4

-Program Development
-Program execution
-Access to I/O Devices
-Controlled access to files
-System access
-error detection and response
-accounting
-ISA (group of machine language instructions
-Application Binary Interface
-Application Programming interface

Question 5

What are the 5 main functions of an OS?

Answer 5

-Process Management
-Resource Management
-Memory Management
-Storage Management
-Security and Privacy