Presentation Operating System.

Operating System(22516)

Unit 1 : Overview of Operating System

Hours: 06 Marks: 08
Prepared by:
Mrs. Kousar Ayub A.
Lecturer(Selection Grade)
Computer Engg. Dept
M. H. Saboo Siddik Polytechnic

1

, Learning Outcomes
The learners will be able to:
• Operating System(OS) Concept
– Components of OS
– Operations of OS
– Views of OS
• Different Types of Operating Systems
– Batch OS
– Multi Programmed OS
– Time Shared OS
– Multiprocessor Systems
– Distributed Systems
– Real Time Systems
– Mobile OS
• Command Line & GUI Based OS.
2

, What is an Operating System?
• A program that acts as an intermediary between a
user of a computer and the computer hardware.
• Eg :-Windows 10, Windows 8, Apple's mac OS &
Linux

• Operating system goals:
– Execute user programs and make solving user problems
easier.
– Make the computer system convenient to use.
– Use the computer hardware in an efficient manner.
3

, Computer System Components
1.Hardware – provides basic computing resources
(CPU, memory, I/O devices).
2.Operating system – controls and coordinates the
use of the hardware among the various application
programs for the various users.
3.Applications programs – define the ways in which
the system resources are used to solve the
computing problems of the users (compilers,
database systems, video games, business
programs).
4.Users (people, machines, other computers). 4