Functions of an OS

Functions of an OS

Operating system

is a system software that become a bridge or managed hardware software to ensure the computer system is working properly

Operating System (OS)

Some examples of an OS are:

Operating System (OS)

Some examples of an OS are:

​Microsoft Windows

Apple
Macintosh/iOS

Google
Android

UNIX
Linux

Open Ended

Mention 3 operating system that you know

Multiple Choice

Is Youtube an operating system?

• YES

• NO

Match

Match the following OS

Android

MacOS

Microsoft Windows

Linux

• Android

• MacOS

• Microsoft Windows

• Linux

Operating System (OS)

OS performs various important functions or management as shown in this diagram below:

Open Ended

Please mention 5 functions of an operating system

1. Process management

An OS controls and schedules the processes for execution by the CPU.
It is responsible for allocating the CPU's time to each process. (First come, first served)

2. Device management

OS coordinates and controls the various input and output devices attached to the system.

The OS needs a Device Driver. Software that recognises the input and the output devices attached to the computer.

3. Memory management

OS allocates certain memory area to itself with the help of the booting process and set aside the remaining memory for other application program.

4. File management

OS read the data from different tracks and sector when required, to store data in available space.

Tracks and sector is the parts inside the hard disk.

5. Housekeeping

Housekeeping includes all services necessary to ensure the smooth operation of the computer system. such as security, backup, system updates and memory space.

Multiple Choice

OS allocates certain memory area to itself with the help of the booting process and set aside the remaining memory for other application program.

• Memory management

• File management

• Device management

Multiple Choice

Housekeeping is

• all services necessary to ensure the smooth operation of the computer system. such as security, backup, system updates and memory space.

• various input and output devices attached to the system.

• the parts inside the hard disk.

Open Ended

What is the device management do in operating system?

Multiple Choice

Software that recognises the input and the output devices attached to the computer is the meaning of?

• File management

• Device driver

• Tracks and sector