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Question Detail
Dispatcher function is to
- put tasks in I/O wait
- schedule tasks in processor
- change task priorities
- All of above
Answer: Option A
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. 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
3. Which process is known for initializing a microcomputer with its OS
- cold booting
- boot recording
- booting
- warm booting
Answer: Option C
4. Poor response times are caused by
- Busy processor
- High I/O rate
- High paging rates
- Any of above
Answer: Option D
5. Which scheduling policy is best suited for time-sharing operating systems
- Shortest job first
- Round robin
- First come first serve
- Elevator
Answer: Option B
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