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 basic accounting questions?

Here are some common accounting questions about setting up books for small business.

  • How should I record transactions?
  • Should I use cash-basis or accrual accounting?
  • How do debits and credits work?
  • What’s the difference between accounts payable and receivable?

What is OS question and answer?

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. 2.

What are accounting interview questions?

Top 10 accounting interview questions

  • What types of accounting software programs are you familiar with?
  • What is the top challenge facing those in the accounting field?
  • Have you ever developed your own accounting process?
  • Can you walk me through the three financial statements?

What is virtual memory in OS?

Virtual memory is a feature of an operating system that enables a computer to be able to compensate shortages of physical memory by transferring pages of data from random access memory to disk storage. This process is done temporarily and is designed to work as a combination of RAM and space on the hard disk.

What is paging in OS?

In Operating Systems, Paging is a storage mechanism used to retrieve processes from the secondary storage into the main memory in the form of pages. The main idea behind the paging is to divide each process in the form of pages. The main memory will also be divided in the form of frames.

What is deadlock OS?

In an operating system, a deadlock occurs when a process or thread enters a waiting state because a requested system resource is held by another waiting process, which in turn is waiting for another resource held by another waiting process.

What is process OS?

In computing, a process is the instance of a computer program that is being executed by one or many threads. It contains the program code and its activity. Depending on the operating system (OS), a process may be made up of multiple threads of execution that execute instructions concurrently.