Operating System (OS) Interview Questions And Answers

Operating System (OS) Interview Questions And Answers - Part II.

6. What Is BIOS In Operating System?

Answer: The Basic Input Output System, usually referred to as BIOS, is a software stored on a small memory chip on the motherboard. BIOS (Basic Input/Output System) is a program which a personal computer's microprocessor uses to get the computer system started after you turn it on. BIOS instructs the computer on how to perform a number of basic functions such as booting and keyboard control.

BIOS is also used to identify and configure the hardware in a computer such as the hard drive, floppy drive, optical drive, CPU, memory, etc.

7. What Are The Advantages & Disadvantages Of Multiprocessor Systems?

Answer: Advantages of Microprocessor Systems are:

Increased throughput - With more processors, more work can be accomplished in less time.
Economy of scale - Peripheral devices may be shared amongst multi-processor systems.
Increased reliability - If one processor crashes, then the others may continue to operate.

Disadvantages of Microprocessor Systems are:

Multiprocessor systems are more complex in both hardware and software.
Additional CPU cycles are required to manage the cooperation, so per-CPU efficiency goes down.

One disadvantage of a multi-processing system is the additional complexity in operating system and possibly application software.

8. What Are The Main Differences Between Operating Systems For Mainframe Computers & Personal Computers?

Answer: PC OS's are not concerned with fair use or maximal use of computer resources. Instead, they try to optimize the usefulness of the computer for an individual user, usually at the expense of overall efficiency. Mainframe OS's need more complex scheduling and I/O algorithms to keep the various system components efficiently occupied.

9. What Are The Five Major Activities Of An Operating System In Regard To Process Management?

Answer: Five major activities of an operating system in regard to process management are:

Creating and deleting processes.
Suspending and resuming processes.
Process synchronization.
Process communication.
Handling process deadlock.

10. What Are The Three Major Activities Of An Operating System In Regard To Memory Management?

Answer: The three major activities of an os in regards to memory management are:

Tracking what parts of memory are being used and by whom.
Deciding which processes are to be loaded into memory.
Allocating and de-allocating memory for processes.

ALSO READ:

11. What are the three major activities of an operating system in regard to file management?
12. Discuss various types of operating systems?
13. Discuss Real Time Operating Systems?
14. Discuss Multi-user and Single-user Operating Systems?
15. Discuss Multi-tasking and Single-tasking Operating Systems?

16. Discuss Distributed Operating System?
17. Discuss Embedded Operating System?
18. Discuss Mobile Operating System?
19. Discuss Batch Processing and Interactive Operating Systems?
20. What are the five major activities of an operating system in regard to file management?

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Tell Me Something About Yourself - Interview Answers.

Try to introduce some of your most important employment-oriented skills as well as your education and accomplishments to the interviewer. Answer to this question is very important because it positions you for the rest of the interview . That's why this statement is often called the "Positioning Statement". One should take the opportunity to show his/her communication skills by speaking clearly and concisely in an organized manner. Since there is no right or wrong answer for this question hence it is important to appear friendly. YOUR ANSWERS CAN BE: 1) I am a person with strong interpersonal skills and have the ability to get along well with people . I enjoy challenges and looking for creative solutions to problems. 2) Besides the details given in my resume, I believe in character values, vision and action. I am quick in learning from mistakes. I am confident that the various tests that you have conducted will corroborate my competencies apti...

What Is (Are) Your Weakness (Weaknesses)? - Interview Answers

There’s a saying – “However small the thorn maybe it has the ability to pierce.” Never say you are a Workaholic, a Perfectionist, etc. because it sounds negative. Try to convert these negative biased qualities into positive ones. For Example, In place of Workaholic you can say you are a hard worker and always willing to work for extra hours. In place of Perfectionist , you can say you are detail oriented and like to set high standard for work. “Try to specify your weakness as your strength and also highlight it as a benefit.” Your answers can be: 1) One of my weaknesses as I perceive is occasional compromise on time for quality and perfection. 2) I feel I am not very detail-oriented . I’m a person that wants accomplish as much as possible. I realized this hurts quality and therefore I‘m trying hard to find a balance between quality and quantity. 3) At times even when I need help, I try to solve my own problems instead of asking a co-worker who might know...

What Is (Are) Your Strengths? - Interview Answers

This is a simple and popular interview question. Generally people answer it in two ways. There are people who simply state their strength like “I am Young, Dynamic, Intelligent, Smart and so on…”. Such answer is neither right nor wrong but does not help u in any way also. Secondly there are peoples who state their strengths and explain them how he can use his strength for the job and industry. Do not simply state your strength. Everyone has some strength, all you need is to convert them into benefits. In short, try to advertise yourself by converting your features into strengths. “EVERYONE CLAIM THEY ARE HONEST, HARDWORKING, SMART AND SO ON….. BUT WITH AN EXAMPLE IT IS MUCH MORE BELIEVABLE.” Your answers can be : 1) I am a hard worker and because of this ability I can work for additional hours to accomplish my tasks.I am commitment oriented and hence I always enjoy the trust and confidence of my team mates which enables me to perform my duties very easily. 2) I am a...

HR & Technical Interview Questions With Answers.

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