operating system set 2 Detailed Explanation And More Example

Question : 1

The OS/2 is the operating system that support

a) Single thread per process

b) Multiple thread per process

c) Single process

d) None of these.

Question : 2

Instruction processing consists of

a) Fetch cycle only

b) Execution cycle only

c) Fetch and Execution cycle both

d) None of these.

Question : 3

The principle of locality states

a) The program and data references within a process tend to cluster.

b) The program and data references within a process do not tend to cluster.

c) A process actually referred in virtual memory.

d) None of these.

Question : 4

In two level scheme if each page is mapped by 4-byte (2 ) page table entry then to create a page table composed of 2 ²⁰ page table entry one requires

a) 2 ²² bytes

b) 2 ¹² bytes

c) 2 ¹⁶ bytes

d) None of these.

Question : 5

In Responsive real time operating system

a) The interruption is acknowledge and operating system response to interrupt.

b) Once the operation starts no interrupt is acknowledge.

c) The operation completes in fixed inter of time.

d) None of these.

Question : 6

The total time to prepare a disk drive mechanism for a block of data to be read from it is

a) seek time

b) Latency

c) latency plus seek time

d) transmission time