Operating System Interview Questions and Answers | Top 50 Q&A | for fresh and experience candidates

Operating System interview with our comprehensive guide! In this video, we cover the top 50 questions and answers that are frequently asked in Operating System interviews, making it an invaluable resource for both fresh graduates and experienced candidates. Our expert explanations and insights will equip you with the knowledge and confidence to shine during your interview. Elevate your career in IT and computer science by mastering the fundamentals of Operating Systems.

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Top 50 Operating System (OS) Interview Questions and Answers :

1) Explain the main purpose of an operating system?
2) What is demand paging?
3) What are the advantages of a multiprocessor system?
4) What is kernel?
5) What are real-time systems?
6) What is a virtual memory?
7) Describe the objective of multiprogramming?
8 ) What is time- sharing system?
9) What is SMP?
10) How are server systems classified?
11) What is asymmetric clustering?
12) What is a thread?
13) Give some benefits of multithreaded programming?
14) Briefly explain FCFS?
15) What is RR scheduling algorithm?
16) What are necessary conditions which can lead to a deadlock situation in a system?
17) Enumerate the different RAID levels?
18) Describe Banker’s algorithm?
19) What factors determine whether a detection-algorithm must be utilized in a deadlock avoidance system?
20) State the main difference between logical from physical address space?
21) How does dynamic loading aid in better memory space utilization?
22) What are overlays?
23) What is the basic function of paging?
24) What is fragmentation?
25) How does swapping result in better memory management?
26) Give an example of a Process State?
27) What is a socket?
28) What is Direct Access Method?
29) When does thrashing occur?
30) What is the best page size when designing an operating system?
31) When designing the file structure for an operating system, what attributes are considered?
32) What is root partition?
33) What are device drivers?
34) What are the primary functions of VFS?
35) What are the different types of CPU registers in a typical operating system design?
36) What is the purpose of an I/O status information?
37) What is multitasking?
38) Explain pros and cons of a command line interface?
39) What is caching?
40) What is spooling?
41) What is an Assembler?
42) What are interrupts?
43) What is GUI?
44) What is preemptive multitasking?
45) Why partitioning and formatting is a prerequisite to installing an operating system?
46) What is plumbing/piping?
47) What is NOS?
48) Differentiate internal commands from external commands?
49) Under DOS, what command will you type when you want to list down the files in a directory, and at the same time pause after every screen output?
50) How would a file name EXAMPLEFILE.TXT appear when viewed under the DOS command console operating in Windows 98?

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