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Question Detail
Shortest Job First executes first the job
- with the least processor needs
- that first entered the queue
- that has been in the queue for the longest
- that last entered the queue
Answer: Option A
1. Dirty bit is used to show
- Page with corrupted data
- Wrong page in memory
- Page that is modified after being loaded in the cache memory
- page that is less frequently accessed
Answer: Option C
2. Daisy chain is a device for
- connecting a number of controllers to a device
- connecting a number of device to a controller
- all of above
- none of above
Answer: Option B
3. Memory protection is normally done by
- the processor and the associated hardware
- the operating system
- the compiler
- the user program
Answer: Option A
4. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and
- mutual exclusion
- race condition
- buffer overflow
- None of above
Answer: Option A
5. Remote computing services involves the use of timesharing and
- multiprocessing
- interactive processing
- batch processing
- real time processing
Answer: Option C
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