Question Detail

What are global locks ?

they synchronize access to local resources
they synchronize access to global resources
they synchronize access to local and global resources
none of above

Answer: Option B

Similar Questions :

1. Spooling is most beneficial where

Jobs are I/O bound
Jobs are CPU bound
Jobs are evenly divided as I/O bound and CPU bound
All of above

Answer: Option C

2. Files can have ?

Read Access
Write Access
Copy Access
All of above

Answer: Option D

3. Which scheduling policy is most suitable for time shared operating system ?

Shortest job first
FCFS
LCFS
Round robin

Answer: Option D

4. Which of following is not an advantage of multiprogramming ?

increased throughput
shorter response time
ability to assign priorities of jobs
decreased system overload

Answer: Option D

5. Which of following need a device driver

Cache
Disk
Main Menory
Registers

Answer: Option B

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