Question Detail

Semaphores function is to

synchronize critical resources to prevent deadlock
synchronize processes for better CPU utilization
used for memory management
none of above

Answer: Option A

Similar Questions :

1. 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

2. Dynamic allocation of storage areas with VSAM files is accomplished by

hashing
control splits
over flow areas
relative recording

Answer: Option B

3. A hardware device which is capable of executing a sequence of instructions, is known as

CPU
ALU
CU
Processor

Answer: Option D

4. To avoid the race condition, the number of processes that may be simultaneously inside the critical section is

12
3
1
0

Answer: Option C

5. Which operating system use write through catches

UNIX
XENIX
ULTRIX
DOS

Answer: Option D

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