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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
The cache coherence problem can be solved
A. by having multiport memory
B. allow only nonshared data to be stored in cache
C. using a snoopy cache controller
D. using memory interleaving
Choose the correct answer from the options given below:
A. by having multiport memory
B. allow only nonshared data to be stored in cache
C. using a snoopy cache controller
D. using memory interleaving
Choose the correct answer from the options given below:
Solution
Cache coherence problem occurs when multiple caches contain copies of shared data.Allowing only nonshared data in cache avoids the coherence problem.
So, statement B is correct.
Snoopy cache controller monitors bus transactions and maintains consistency among caches.
So, statement C is correct.
Multiport memory improves simultaneous access, but it does not directly solve cache coherence.
Memory interleaving improves memory access speed, but it does not solve cache coherence.
Therefore, B and C only are correct.
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