Operating System (3140702) MCQs

MCQs of Memory Management

Showing 1 to 10 out of 85 Questions
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1.
CPU fetches the instruction from memory according to the value of ____________
(a) program counter
(b) status register
(c) instruction register
(d) program status word
Answer:

Option (a)

2.
A memory buffer used to accommodate a speed differential is called ____________
(a) stack pointer
(b) cache
(c) accumulator
(d) disk buffer
Answer:

Option (b)

3.
Which one of the following is the address generated by CPU?
(a) Physical address
(b) Absolute address
(c) Logical address
(d) Trial address
Answer:

Option (c)

4.
Run time mapping from virtual to physical address is done by ____________
(a) Memory management unit
(b) CPU
(c) Address translator
(d) ALU
Answer:

Option (a)

5.
Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called?
(a) Fragmentation
(b) Paging
(c) Mapping
(d) None of the mentioned
Answer:

Option (b)

6.
Program always deals with ___________
(a) logical address
(b) absolute address
(c) physical address
(d) relative address
Answer:

Option (a)

7.
The page table contains ____________
(a) base address of each page in physical memory
(b) page offset
(c) page size
(d) None of the mentioned
Answer:

Option (a)

8.
What is compaction?
(a) A technique for overcoming internal fragmentation
(b) A paging technique
(c) A technique for overcoming external fragmentation
(d) A technique for overcoming fatal error
Answer:

Option (c)

9.
Operating System maintains the page table for ____________
(a) each process
(b) each thread
(c) each instruction
(d) each address
Answer:

Option (a)

10.
The ___________ swaps processes in and out of the memory.
(a) Memory manager
(b) CPU
(c) HDD
(d) User
Answer:

Option (a)

Showing 1 to 10 out of 85 Questions
1 2 3 4 5 6