operating system set 3 Detailed Explanation And More Example

Question : 1

Physical address in memory management is

a) Actual location in main memory

b) Memory location independent of current assignment of data to memory.

c) Memory location dependent to some known point.

d) None of these.

Question : 2

In semaphore the process blocked by wait operation is unblocked if

a) Semaphore value becomes nonnegative

b) Semaphore value becomes nonpositive

c) Semaphore value is negative

d) Semaphore value is positive.

Question : 3

When operating system always run on a particular processor and that particular processor do all scheduling and process management then this is an example of

a) Master/slave architecture

b) Symmetric multiprocessor

c) Cluster

d) None of these.

Question : 4

For multithreading

a) Tasks to be performed can be independent

b) Task to be performed is essentially serialized.

c) Tasks cannot be divided into number of threads.

d) None is true.

Question : 5

Instruction register contains

a) The address of an instruction to be fetched.

b) The instructions most recently fetched.

c) The data to be written into memory.

d) The data to be read from memory.

Question : 6

Which of the following is not an address register?

a) Index register

b) Segment pointer

c) Stack pointer

d) Data register.