Explore topic-wise MCQs in Operating System.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.

1.

TO_OBTAIN_BETTER_MEMORY_UTILIZATION,_DYNAMIC_LOADING_IS_USED._WITH_DYNAMIC_LOADING,_A_ROUTINE_IS_NOT_LOADED_UNTIL_IT_IS_CALLED._FOR_IMPLEMENTING_DYNAMIC_LOADING,?$

A. special support from hardware is required
B. special support from operating system is essential
C. special support from both hardware and operating system is essential
D. user programs can implement dynamic loading without any special support from hardware or operating system
Answer» E.
Discussion
2.

In paged memory systems, if the page size is increased, then the internal fragmentation generally :$

A. becomes less
B. becomes more
C. remains constant
D. none of the mentioned
Answer» C. remains constant
Discussion
3.

In a paged memory, the page hit ratio is 0.35. The required to access a page in secondary memory is equal to 100 ns. The time required to access a page in primary memory is 10 ns. The average time required to access a page is ?

A. 3.0 ns
B. 68.0 ns
C. 68.5 ns
D. 78.5 ns
Answer» D. 78.5 ns
Discussion
4.

When the valid – invalid bit is set to valid, it means that the associated page :$

A. is in the TLB
B. has data in it
C. is in the process’s logical address space
D. is the system’s physical address space
Answer» D. is the system‚Äö√Ñ√∂‚àö√ë‚àö¬•s physical address space
Discussion