What are the Viva questions asked in operating system?

Basic OS Interview Questions

• Why is the operating system important?
• What’s the main purpose of an OS?
• What are the benefits of a multiprocessor system?
• What is RAID structure in OS?
• What is GUI?
• What is a Pipe and when it is used?
• What are the different kinds of operations that are possible on semaphore?

What are the important topics in operating system?

Important Topics in Operating System

• CPU Scheduling. Round Robin, SJF, FCFS. Schedulers.
• Synchornization. Semaphore.
• Deadlock. Banker Algorithm.
• Memory Management. Paging. Segmentation. Multilevel paging. Virtual Memory. Page replacement techniques.
• File System. UNIX File System. Disc Scheduling. Disc Scheduling Techniques.

What is operating system questions and answers?

A list of top frequently asked Operating System interview questions and answers are given below.

• 1) What is an operating system?
• 2) What is the main purpose of an operating system?
• 3) What are the different operating systems?
• 4) What is a socket?
• 5) What is a real-time system?
• 6) What is kernel?

What should I study in OS for interview?

You can follow this guide to learn operating systems from scratch and clearly explain them to your interviewer.

• What are operating systems?
• How do users access computer resources?
• What is the difference between processes and threads?
• What are states of the process?
• What is context switching?
• What is a race condition?

What is spooling Javatpoint?

Spooling is a process in which data is temporarily held to be used and executed by a device, program, or system. Data is sent to and stored in memory or other volatile storage until the program or computer requests it for execution. SPOOL is an acronym for simultaneous peripheral operations online.

What thrashing means?

Thrashing is a state in which the CPU performs ‘productive’ work less, and ‘swapping’ more. Thrashing occurs when there are too many pages in memory, and each page refers to another page. The real memory shortens in capacity to have all the pages in it, so it uses ‘virtual memory’.

What is an operating system 3 marks?

• An operating system is a program which manages all the computer hardwares. • It provides the base for application program and acts as an intermediary between a user and the. computer hardware.

What is operating system short question?

An operating system is a program that manages the computer hardware. it act as an intermediate between a users of a computer and the computer hardware. It controls and coordinates the use of the hardware among the various application programs for the various users.

What is a buffer in OS?

The buffer is an area in the main memory used to store or hold the data temporarily. In other words, buffer temporarily stores data transmitted from one place to another, either between two devices or an application.

How to build a career as an operating system developer?

To build a career as an Operating System developer, candidates need to crack the interview in which they are asked for various Operating System interview questions. We have compiled a list of frequently asked OS interview questions and answers that an interviewer might ask you during your Operating System job interview or viva.

Is there a high demand for operating system developers?

There is a huge demand for OS developers in the IT industry. To build a career as an Operating System developer, candidates need to crack the interview in which they are asked for various Operating System interview questions.

Which of the following is an example of a single-user operating system?

Explanation: The single-user operating system is the operating system in which only one user can access the computer system at a time, and Ms-DOS is the best example of a single-user operating system.

What is the importance of an OS in a computer?

OS is the most essential and vital part of a computer without which it is considered useless. It enables an interface or acts like a link for interaction between computer software that is installed on OS and users. It also helps to communicate with hardware and also maintains balance among hardware and CPU.