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kicyunya [14]
3 years ago
7

A cache has been designed such that it has 512 lines, with each line or block containing 8 words. Identify the line number, tag,

and word position for the 20-bit address 94EA616 using the direct mapping method.
Computers and Technology
1 answer:
Reptile [31]3 years ago
8 0

Answer:

Given address = 94EA6_{16}

tag = 0 * 94  ( 10010100 )

line = 0 * 1 D 4 ( 111010100 )

word position = 0*6 ( 110 )

Explanation:

using the direct mapping method

Number of lines = 512

block size = 8 words

word offset = log ^{8} _{2}  = 3 bit

index bit = log^{512}_{2}  = 9 bit

Tag = 20 - ( index bit + word offset ) = 20 - ( 3+9) = 8 bit

Given address = 94EA6_{16}

tag = 0 * 94  ( 10010100 )

line = 0 * 1 D 4 ( 111010100 )

word position = 0*6 ( 110 )

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