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Question Detail
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
Answer: Option C
1. The LRU algorithm
- pages out pages that have been used recently
- pages out pages that have not been used recently
- pages out pages that have been least used recently
- pages out the first page in a given area
Answer: Option C
2. Dijkstra's algorithm deals with
- mutual exclusion
- deadlock recovery
- deadlock avoidance
- cache coherence
Answer: Option C
3. Which among following scheduling algorithms give minimum average waiting time
- FCFS
- SJF
- Round robin
- On priority
Answer: Option B
4. In which scheduling policies, context switching never takes place
- FCFS
- round robin
- Shortest job first
- Pre-empitive
Answer: Option A
5. Fragmentation of a file system
- occurs only is file is not used properly
- can always be prevented
- happens in all file systems
- can be removed by compaction
Answer: Option B
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