Computer Architecture

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Indresh • 9.81K Points
Tutor III

Q 51. The part of machine level instruction, which tells the central processor what has to be done, is

(A) Operation code
(B) Address
(C) Locator
(D) Flip-Flop
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Indresh • 9.81K Points
Tutor III

Q 52. In which cycle the memory is read and the contents of memory at the address containedin the PC register are loaded into in to IR.

(A) Execution Cycle
(B) Memory Cycle
(C) Fetch Cycle
(D) Decode Cycle
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Indresh • 9.81K Points
Tutor III

Q 53. The address space is 22 bits the memory is 32 bit word addressable what is the memory size

(A) 16MB
(B) 512KB
(C) 4MB
(D) 1GB
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Indresh • 9.81K Points
Tutor III

Q 54. The copy-back protocol is used _______

(A) To copy the contents of the memory onto the cache
(B) To update the contents of the memory from the cache
(C) To remove the contents of the cache and push it on to the memory
(D) None of the mentioned
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Indresh • 9.81K Points
Tutor III

Q 55. The correspondence between the main memory blocks and those in the cache is given by ________

(A) Hash function
(B) Mapping function
(C) Locale function
(D) Assign function
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Indresh • 9.81K Points
Tutor III

Q 56. The spatial aspect of the locality of reference means ______

(A) That the recently executed instruction is executed again next
(B) That the recently executed won’t be executed again
(C) That the instruction executed will be executed at a later time
(D) That the instruction in close proximity of the instruction executed will be executed in future
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Indresh • 9.81K Points
Tutor III

Q 57. The effectiveness of the cache memory is based on the property of ______

(A) Locality of reference
(B) Memory localisation
(C) Memory size
(D) None of the mentioned
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Indresh • 9.81K Points
Tutor III

Q 58. The reason for the implementation of the cache memory is _______

(A) To increase the internal memory of the system
(B) The difference in speeds of operation of the processor and memory
(C) To reduce the memory access and cycle time
(D) All of the mentioned
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Indresh • 9.81K Points
Tutor III

Q 59. ___ addressing mode is most suitable to change the normal sequence of execution of instructions.

(A) Relative
(B) Indirect
(C) Index with Offset
(D) Immediate
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Indresh • 9.81K Points
Tutor III

Q 60. The addressing mode/s, which uses the PC instead of a general purpose register is _____

(A) Indexed with offset
(B) Relative
(C) direct
(D) both Indexed with offset and direct
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