Operating System Basics Questions and Answers
Operating System Basics questions with answers are among the most commonly asked in technical interviews and exams. This section covers core OS concepts like process management, memory allocation, file systems, and scheduling algorithms. Practicing programming questions and answers on operating systems helps strengthen your conceptual clarity and practical understanding of computer architecture. Frequently featured in GATE, TCS, Infosys, and Wipro placements, these MCQs provide a balanced mix of theoretical and applied knowledge. Clear explanations make this section an ideal resource for anyone preparing for system-related roles or competitive exams.
Operating System Basics
Showing 10 of
563 questions
11. The process related to process control, file management, device management, information about system and communication that is requested by any higher level language can be performed by __________.
- Editors
- Compilers
- System Call
- Caching
12. If the Disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98,37,14,124,65,67.
- 310
- 324
- 315
- 321
13. Multiprogramming systems ________.
- Are easier to develop than single programming systems
- Execute each job faster
- Execute more jobs in the same time
- Are used only on large main frame computers
15. The solution to Critical Section Problem is : Mutual Exclusion, Progress and Bounded Waiting.
- The statement is false
- The statement is true
- The statement is contradictory.
- None of the above
16. The problem of thrashing is effected scientifically by ________.
- Program structure
- Program size
- Primary storage size
- None of the above
17. The state of a process after it encounters an I/O instruction is __________.
- Ready
- Blocked/Waiting
- Idle
- Running
18. The number of processes completed per unit time is known as __________.
- Output
- Throughput
- Efficiency
- Capacity
19. _________ is the situation in which a process is waiting on another process,which is also waiting on another process ... which is waiting on the first process. None of the processes involved in this circular wait are making progress.
- Deadlock
- Starvation
- Dormant
- None of the above
20. Which of the following file name extension suggests that the file is Backup copy of another file ?
- TXT
- COM
- BAS
- BAK