Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Computer Operating System


Published on

This presentation will be of help to teachers and students taking TLE-CHS 9.

Published in: Education
  • Be the first to comment

Computer Operating System

  1. 1. Operating System
  2. 2. • The Most important program that runs on a computer. • Operating systems perform basic tasks and control peripheral devices such as disk drives and printers. • It is responsible for security, ensuring that unauthorized users do not access the system.
  3. 3. Classification of Operating System MULTI-USER Allows two or more users to run programs at the same time. Some operating systems permit hundreds or even thousands of concurrent users. Linux Unix Windows 2000
  4. 4. Classification of Operating System MULTIPROCESSING Supports running a program on more than one CPU. Linux Unix Windows 2000
  5. 5. Classification of Operating System MULTITASKING Allows more than one program to run concurrently. Unix Windows 2000 Windows multi point
  6. 6. Classification of Operating System MULTITHREADING Allows different parts of a single program to run concurrently. Linux Unix Windows 2000 Windows 7
  7. 7. Classification of Operating System Real time: Responds to input instantly. General-purpose operating systems, such as DOS and UNIX, are not real-time.