Lesson Notes By Weeks and Term - Junior Secondary School 2

SUBJECT: ICT

CLASS:  JSS 2

DATE:

TERM: 1st TERM

 
WEEK 7

TOPIC: FUNCTIONS OF OPERATING SYSTEM

1. It helps to accepts inputs:  Operating system accepts inputs from the mouse or keyboard.
2. It Sends outputs to the monitor or printer: Operating system helps to send any outputs to the output devices such as monitor and printer etc.
3. It recognizes peripheral devices: Operating system helps to recognizes peripherical devices such as external hard disks, pen drive, web cam etc and makes sure that software needed for the hardware to run is installed.
4. It manages files and folders in the system: Operating system manages files and folders in the computer system such as (Naming, Creating, Moving, Finding and Deleting folders etc). 
5. It allows applications software to communicate with the system's hardware: Operating system allows application software (words processing and spreadsheet to communicate with system’s hardware.
6. It Shares out system memory efficiently: The operating system will decide how much memory to assign to particular tasks. It also moves data in and out of memory.
7. It loads and runs software applications: Operating system enable the computer to load and run application software (word-processing and spreadsheets.
8. It manages system security: Operating system allows passwords to be added / changed Manages system security. For example - allows passwords to be added / changed.
9. It handles system problems and alerts the user: Operating system helps to identify any problems in the computer system. For example if a printer is jammed and cannot printer, the operating system will stop the print job and alert the user with a warning message.
10. It manages the moving of data to and from a hard disk: Operating system helps to move processed data or information to and from a hard disk.