Operating System (OS) Interview Questions And Answers

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

1. What Is An Operating System?

An operating system is the most important software that runs on a computer. An operating system is a program that acts as an intermediary between the user and the computer hardware. It manages the computer's memory, processes, and all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's "language". Without an operating system, a computer is useless.

The purpose of an OS is to provide a convenient environment in which user can execute programs in a convenient and efficient manner.

2. What Are The Basic Functions Of Operating Systems?

Functions of an operating system are:

Shield the user from the intricate low-level details and provide an easier to program and more powerful interface to the machine or network => virtual machine.
Manage the system resources: Protection, Scheduling, Sharing, File system, Accounting, etc. This function is obviously important for multitasking (OS2) and multi-using/multitasking (UNIX, VMS) operating systems. Even for single-user/single task, resource management is important (e.g. file system allocation and structure).

3. What Are The Various Components Of A Computer System?

A computer system has four main components. They are:

Hardware (I/P & O/P Devices).
Operating system.
Application programs.
Users.

4. What Are The Basic Purposes Of Different Operating Systems?

The three basic purposes of an operating system are:

To provide a convenient environment for users to execute programs on computer hardware.
To allocate, fairly and efficiently, the computer resources needed to execute the program safely (without adversely affecting other users or the OS itself).
To provide a foundation for evolution to future services, while still supporting existing services.

5. What Is A Bootstrap Program & Where Is It Stored?

A bootstrap program is the initial program that the computer runs when it is powered up or rebooted. It initializes all aspects of the system, from CPU registers to device controllers to memory contents. Typically, it is stored in read-only memory (ROM) or electrically erasable programmable read-only memory (EEPROM), known by the general term firmware, within the computer hardware.

ALSO READ:

6. What is BIOS?
7. What are the advantages and disadvantage of multiprocessor systems?
8. What are the main differences between operating systems for mainframe computers and personal computers?
9. What are the five major activities of an operating system in regard to process management?
10. What are the three major activities of an operating system in regard to memory management?

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?

... Return To Operating System FAQ's Index.

... Return To Homepage.

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.

Search This Blog