Question

1. What is operating system?
2. Functions of operating system?
3.Types of operating system
4.what is purpose of multitasking?

Answer in brief all questions plss

Answer 1

Answer:

An operating system, or "OS," is software that communicates with the hardware and allows other programs to run. ... Mobile devices, such as tablets and smartphones also include operating systems that provide a GUI and can run applications. Common mobile OSes include Android, iOS, and Windows Phone.

Booting. Booting is a process of starting the computer operating system starts the computer to work. ...

Memory Management. ...

Loading and Execution. ...

Data Security. ...

Disk Management. ...

Process Management. ...

Device Controlling. ...

Printing Controlling.

Batch Operating System – This type of operating system does not interact with the computer directly. ...

Time-Sharing Operating Systems – Each task is given some time to execute, so that all the tasks work smoothly. ...

Distributed Operating System – ...

Network Operating System – ...

Real-Time Operating System –

Multitasking is a common feature of computer operating systems. It allows more efficient use of the computer hardware

Answer 2

Ans1.

The first program that loads on a computer when you switch on the system is called operating system.

Ans2.

Functions of operating system are:-

• Processor management:- An operating system manages the working of the processor by allocating various jobs to it.
• Memory management:- An operating system manages the sharing of internal memory(like RAM, etc) among multiple application.
• Device management:- An operating system controls the working of all inputs and outputs devices.
• File management:- An operating system keeps track of information regarding creation , deletion, transfer, copy,and storage of files in an organised way.
• Security:- The operating system provides various techniques , which ensure the integrity and confidentiality of the users data.
• Error detection :- The operating system checks the system from time to time for any kind of external threat or malicious software activity.
• Job scheduling :- In a multitasking operating system where multiple programs run at the same time, the operating system determines which application should run and in what order.

Ans3.

Types of operating system are:-

1. Single user operating system:-

These operating system could support only one user to do thing at one time.

2. Graphical user interface:-

This operating system is graphic based and interactive in nature.

3. Multi user operating system:-

Multi user operating system allow more than one to use the same computer at the same time.

4. Multitasking operating system:-

The ability to perform more than one task at a single instant of time is called multitasking.

4. Multithreading operating system:-

These are the operating system that allow different parts of the application or program to run simultaneously.

5. Real time operating system:-

RTOs is designed to handle real life scenarios and problems.

6. Distributed operating system:-

Distributed operating system runs on computer which are located in different geographical areas, interconnected through a network.

Ans4.

The ability to perform more than one task at a single instant of time is called multitasking. An operating system that is capable of doing multiple tasks or executing processes while using common processing resources like CPU, is called multitasking.