Important Questions for NET Exam in Computer Science Paper-III

1.Semaphores are basically used to solve the problem of

1. Deadlock


2. Mutual Exclusion


3. Messaging


4. Critical Region

Answer: (2)



2. Which of the below option is not an operating system call?

1. CREATE


2. SYSTEM


3. LINK


4. MSG-PROCESS

Answer: (4)



3. We may define virtual memory  as

1. an memory basically used for handling the network traffic.


2. as extremely large memory


3. an illusion of an extremely large memory


4. a type of memory used in super computers for research work only.

Answer: (3)



4. Banker's Algorithm is usually used  as

1. Deadlock recovery method


2. Deadlock avoidance method


3. Detection of Protocols identification method.


4. Deadlock detection method.

Answer: (2)



5. In concurrent programming the classical problem is:

1. the producer/consumer


2. compacting


3. Remaining in the cycle of execution


4. external fragmentation

Answer: (1)