operating system set 1 Detailed Explanation And More Example

Question : 1

In monolithic operating system

a) Virtually any procedure can call any other procedure.

b) Virtually specific procedure can call any other procedure.

c) Virtually specific procedure can call specific procedure.

d) None of these.

Question : 2

Processor-bound tasks

a) use the processor more often

b) use more processor time

c) use less processor time

d) always take longer to execute

Question : 3

Which type of design problem in file system

a) how the file system should look to the user

b) algorithm and data structure must be created to map the logical file system onto the secondary storage device

c) Both A and B above

d) none of the above

Question : 4

In memory management :A-Fixed allocation policy, B-Variable allocation policy: 1-It gives a process a fixed number of frames in main memory within which to execute. 2-It allows the number of page frames allocated to a process to be varied over the life time of the process. 3-In it a number of allocated frames are decided at initial load time.

a) A - 1, 3, B - 2

b) A - 1, B - 3

c) A - 2, B - 1, 3

d) A - 1, 2, B - 3

Question : 5

Semaphores

a) are used to do I/O

b) Synchronize critical resources to prevent contention

c) synchronize critical resources to prevent deadlock.

d) allow processes to communicate with one another.

Question : 6

The page table that is maintained by operating system

a) Shows frame location for each page of the process

b) Shows actual address in main memory

c) Referrer memory location to memory

d) None of these.