MCQ Set 3
MCQ Set 3
Total Questions: 20
you'll have 25 second to answer each question.
Quiz Result
Total Questions:
Attempt:
Correct:
Wrong:
Percentage:
Quiz Answers
1. Physical memory is broken into fixed-sized blocks called ________
frames
2. Logical memory is broken into blocks of the same size called _________
pages
3. Every address generated by the CPU is divided into two parts. They are ____________
page number & page offset
4. The __________ is used as an index into the page table.
page number
5. The _____ table contains the base address of each page in physical memory.
page
6. The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.
frame
7. Paging increases the ______ time.
context – switch
8. For larger page tables, they are kept in main memory and a __________ points to the page table.
page table base register
9. With paging there is no ________ fragmentation
external
10. If the size of logical address space is 2 to the power of m, and a page size is 2 to the power of n addressing units, then the high order _____ bits of a logical address designate the page number, and the ____ low order bits designate the page offset.
m-n,n
11. Each entry in a translation lookaside buffer (TLB) consists of ____________
key
12. If a page number is not found in the TLB, then it is known as a ____________
TLB miss
13. When there is a large logical address space, the best way of paging would be ____________
a two level paging algorithm
14. The percentage of times a page number is found in the TLB is known as ____________
hit ratio
15. In paged memory systems, if the page size is increased, then the internal fragmentation generally ____________
becomes more
16. For real time operating systems, interrupt latency should be ____________
minimal
17. Time duration required for scheduling dispatcher to stop one process and start another is known as ____________
dispatch latency
18. In contiguous memory allocation ____________
each process is contained in a single contiguous section of memory
19. When memory is divided into several fixed sized partitions, each partition may contain ________
exactly one process
20. In fixed size partition, the degree of multiprogramming is bounded by ___________
the number of partitions
No comments:
Post a Comment