Computer organization mcqs mapping functions

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Computer organization mcqs mapping functions

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The memory blocks are mapped on to the cache with the help of .....
A
Hash functions
B
Vectors
C
Mapping functions
D
None of the mentioned
Question 1 Explanation: 
The mapping functions are used to map the memory blocks on to their corresponding cache block.
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
During a write operation if the required block is not present in the cache then ..... occurs.
A
Write latency
B
Write hit
C
Write delay
D
Write miss
Question 2 Explanation: 
This indicates that the operation has missed and it brings the required block into the cache.
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In ..... protocol the information is directly written into the main memory.
A
Write through
B
Write back
C
Write first
D
None of the mentioned
Question 3 Explanation: 
In case of the miss, then the data gets written directly in main memory.
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The only draw back of using the early start protocol is .....
A
Time delay
B
Complexity of circuit
C
Latency
D
High miss rate
Question 4 Explanation: 
In this protocol, the required block is read and directly sent to the processor.
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The method of mapping the consecutive memory blocks to consecutive cache blocks is called .....
A
Set associative
B
Associative
C
Direct
D
Indirect
Question 5 Explanation: 
This method is most simple to implement as it involves direct mapping of memory blocks.
There are 5 questions to complete.

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