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?

... 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...

HR Interview Questions With Simple Answers - Top 30.

Here are some very important HR questions which are often asked during Interviews and I believe these answers can really help you to get through....... Click on them to view the answer: 1) Tell Me Something About Yourself ? 2) What Are Your Strengths? 3) What Are Your Weaknesses? 4) How Do You Handle Pressure / Can You Work Well Under Pressure? 5) What Are Your Short Term Goals? 6) What Are Your Long Term Goals? 7) Where Do You See After 5 Years? 8) Why Should We Hire You? 9) What Is Your Salary Expectation? 10) Why Do You Want To Leave Your Current Job? 11) Do You Prefer To Work Alone Or As A Team Player? 12) What Made You Choose Your Major / Stream? 13) Why Didn’t You Pursue A Career In Your Major / Stream? 14) Why Do You Want To Work For Us? 15) Are You Willing To Travel? 16) Are You Willing To Take Risks? 17) What Do You Know About This Company? 18) What Do You Seek From A Job? 19) How Do You Evaluate Success? 20) Dur...

Sample Cover Letter / Job Application.

To The General Manager (HR) [ Name and Designation (Bold Words)] Infosys Limited Delhi – 110001 Uttam Agrawal Gandhi Chowk, Bhartee Street [ Name Bhawanipatna, Kalahandi Contact Address Orissa – 766001 Telephone No.] Ph. no - +91-9438170446 [Sub: Application for the position of ___________ in your esteemed organization.] Respected Sir, (Always use ‘Respected’) With reference to your advertisement dated 14th may’ 08 in The Times of India for the position of ___________ . I would like to place myself as a strong contender before you. OR This has reference to your advertisement dated 14th may’ 08 in The Times of India for the position of ____________. In the said connection I take this opportunity to apply for the said position as a strong contender. /*This is the Introduction i.e the first paragraph of your application/* ( Now the Second Paragraph is the Self Introduction) Try to start the second paragraph with the below mentioned lines: - I have the p...

HR & Technical Interview Questions With Answers.

Search This Blog