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SubjectPaid lesson

Operating System III

ClassNotes Team 4 MIN READUPDATED 5 JUL 2026

Computer J.S.S 2 First Term

Sub-theme: Basic Computer Operation and Concept

Week 4

Operating System III

Performance Objective

 

Student should be able to:

  1. State the function of an Operating System

 

Content

Function of Operating Systems


Operating systems define how a computer stores files, switches between different applications, manages memory, keeps itself secure, and interacts with peripherals like printers and cameras Different operating systems take different approaches to all of these, which is why you normally can't run a Windows program on a Macintosh computer and why permissions look different on an Android phone than on an iPhone.

 

Some operating systems are designed by groups of people around the world, like the open-source, freely available operating system Linux,…