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bogdanovich [222]
3 years ago
15

Which of these trade-offs occur in a memory hierarchy?

Computers and Technology
1 answer:
algol133 years ago
5 0

Answer: D) Faster access means smaller memory size

Explanation:

In memory hierarchy, one of the most important point is that the trade off between the speed, size and cost.

The smaller the size of memory means fastest access. If the memory is close to the central processing unit (CPU) then, there is fastest access in the memory. Memory hierarchy directly fetch the information or data from the memory processor.

Cache memory, CD-ROM and random access memory (RAM) are the basic layers of memory hierarchy.

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A computer system has a 32KB, 8-way set associative cache, and the block size is 8 bytes. The machine is byte addressable, and p
vagabundo [1.1K]

Answer:

Offset bits: 3-bits

Set number of cache: 12-bits

Tag bits: 7-bits

22-bit physical address

Explanation:

Since the system is 32K so,

=2⁵.2¹⁰

=2¹⁵

As we know that it is 8-way set associative so,

=2¹⁵/2³

=2¹⁵⁻³

=2¹²

2¹² are cache blocks

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Off-set bits are 3 as they are calulated from 8-way set associative information.

Set number of cache : 12-bits

For tag-bits:

Add off-set bits and cache bits and subtract from the total bits of physical address.

=22 - (12+3)

=22 - 15

=7

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