F 453 ADVANCED COMPUTING THEORY Humara Malik 1

F 453 ADVANCED COMPUTING THEORY Humara Malik 1 3. 3. 1 OPERATING SYSTEMS

RESOURCES Website: • https: //hmalik 2015. wordpress. com Padlet: Humara Malik 2 • http: //padlet. com/humara_malik/UTC

RECAP F 451 – Operating systems • What is an Operating System? • On padlet , write a definition. • Recap quiz: • http: //www. socrative. com Humara Malik Login as STUDENT Teacher’s room code : UTC Enter your Name LIVE Quiz!! 3 • •

OBJECTIVES 3. 3. 1 Functions of an operating system a) describe the main functions of operating system. Humara Malik 4 • Describe, at least a sentence required with up to two marks awarded • Functions, what does it do?

INTRODUCTION Humara Malik 5 • An operating system is a collection of programs and utilities that manages the computer's hardware and software. • The operating system looks after the basic functions of the computer.

FUNCTIONS OF AN OPERATING SYSTEM (OS ) Memory management User interface Resource management Functions of OS Humara Malik File management 6 Device management

ACTIVITY 1 ( 10 MINS ) • In pairs create a short Power. Point presentation on one of the functions of an operating system. • Your teacher will give you the function. • Present to the class. Humara Malik 7 • You should be making notes on others presentation.

RESEARCH • Websites • Memory management – • http: //computer. howstuffworks. com/5 -important-operatingsystem-jobs. htm#page=4 • Device management – • http: //computer. howstuffworks. com/5 -important-operatingsystem-jobs. htm#page=1 • Resource management • http: //computer. howstuffworks. com/5 -important-operatingsystem-jobs. htm#page=5 • User interface – • http: //computer. howstuffworks. com/operating-system 10. htm • File management – Humara Malik http: //computer. howstuffworks. com/5 -important-operatingsystem-jobs. htm#page=3 8 •

SUMMARY On padlet, Humara Malik 9 1. Write one thing that you have learnt in this lesson. 2. How could the lesson be improved?