UGC NET · PAPER 2
UGC NET Paper 2 Computer Science – Unit 5: System Software and Operating System PYQ (June 2024 (Cancelled Exam))
Q9. The order of steps of address translation in the Linux virtual memory scheme will be:
A. Register
B. Offset
C. Page directory
D. Page table
E. Page middle directory
Choose the correct answer from the options given below:
A. Register
B. Offset
C. Page directory
D. Page table
E. Page middle directory
Choose the correct answer from the options given below:
- B, A, D, E, C
- A, C, E, D, B
- D, C, A, B, E
- C, A, D, E, B
Q13. The sequence of steps for a page-replacement algorithm will be:
A. Find a frame that is not currently being used
B. Change the page table
C. Use the freed frame
D. No frame is free
E. Free a frame
Choose the correct answer from the options given below:
A. Find a frame that is not currently being used
B. Change the page table
C. Use the freed frame
D. No frame is free
E. Free a frame
Choose the correct answer from the options given below:
- D, A, E, B, C
- E, B, A, C, D
- B, E, A, D, C
- D, E, B, A, C
Q15. Which of the following control problems does NOT exist when processes are unaware of each other during interaction?
- Mutual exclusion
- Data coherence
- Starvation
- Deadlock
Q17. Match List I with List II
| List I | List II |
|---|---|
| A. Batch Multiprogramming | I. Allows more efficient use of main memory |
| B. Time sharing | II. User no longer has direct access to the processor |
| C. Monitor | III. Maximize processor use |
| D. Reentrant Procedures | IV. Minimize response time |
- A-III, B-II, C-IV, D-I
- A-III, B-IV, C-II, D-I
- A-I, B-III, C-IV, D-II
- A-II, B-I, C-IV, D-III
Q25. Match List I with List II
| List I | List II |
|---|---|
| A. RAID level-2 | I. Block-interleaved |
| B. RAID level-3 | II. Error-correcting-code |
| C. RAID level-4 | III. Reed-Solomon codes |
| D. RAID level-6 | IV. Bit-interleaved |
- A-I, B-III, C-IV, D-II
- A-II, B-IV, C-I, D-III
- A-IV, B-I, C-II, D-III
- A-II, B-III, C-IV, D-I
Q27. Match List I with List II (thread operations)
| List I | List II |
|---|---|
| A. Thread spawn | I. To convert a blocking system call into a non-blocking call |
| B. Block thread | II. To reclaim pages |
| C. Jacketing | III. Processor turns to the execution of another ready thread |
| D. Flush | IV. Thread is provided with its own register context |
- A-I, B-III, C-IV, D-II
- A-IV, B-III, C-II, D-I
- A-IV, B-III, C-I, D-II
- A-II, B-I, C-IV, D-III
Q53. Which of the following is NOT correct about virtual-memory segmentation?
- It is not necessary to load all of the segments of a process.
- It has no internal fragmentation.
- It has a large virtual address space.
- It provides a lower degree of multiprogramming.
Q57. Which of the following is NOT a characteristic of a specialised embedded OS?
- Real-time scheduling policy
- Responds to external interrupts
- Provides special non-sequential files
- Provides fixed or variable-sized partitions
Q64. In Windows scheduling, which of the following is correct?
- 4 non-real-time priorities
- 8 non-real-time priorities
- 12 non-real-time priorities
- 16 non-real-time priorities