What are the important topics in OS?

What are the important topics in OS?

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 are the important topics in OS for interview?

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 types of OS?

Types of Operating Systems

• Batch OS.
• Distributed OS.
• Multitasking OS.
• Network OS.
• Real-OS.
• Mobile OS.

What are OS issues?

OS problems can result from a combination of hardware, software, and network issues. Computer technicians must be able to analyze the problem and determine the cause of the error to repair the computer. This process is called troubleshooting. The first step in the troubleshooting process is to identify the problem.

What is a semaphore in OS?

Semaphores are integer variables that are used to solve the critical section problem by using two atomic operations, wait and signal that are used for process synchronization.

What are OS questions?

Operating System Interview Question

• 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?
• 7) What is monolithic kernel?
• 8) What do you mean by a process?

What causes OS failure?

A system failure may be caused by a hardware malfunction or a software crash and results in the inability of the OS to boot normally. It may constantly reboot and freeze with an error message displayed on the screen or even stop working entirely without any notifications.

What are some common computer problems?

Top 10 Most Common Computer Problems

1. The Computer Won’t Start. A computer that suddenly shuts off or has difficulty starting up could have a failing power supply.
2. The Screen is Blank.
3. Abnormally Functioning Operating System or Software.
4. Windows Won’t Boot.
5. The Screen is Frozen.
6. Computer is Slow.
7. Strange Noises.
8. Slow Internet.