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DPIT123 (125) Computing and Cyber Security Fundamentals

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a) 0111 - 1011

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c) 101 + 1011

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Please include the complete working in the space below, for each question in this assignment as proof of your calculations and reasoning.

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A2 5a

(a). Calculate the clock rates for P1 and P2, assuming L1 hit time determines the cycle time. 

P1: Clock rate =  GHz.

P2: Clock rate =  GHz.

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A2 5b

P1: AMAT =  ns 

P2: AMAT =  ns.

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(b) How many blocks are in the cache?

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(a) What is the cache block size (in words)?

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(c) Calculate the ratio of total bits required for the cache over the data storage bits.

Hint:  total bits required for the cache = metadata + storage data

⚠️ Answer must be 2 decimal places

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(c) The total number of bits for implementing an 8 KiB cache with 2-word blocks.

Hint: Calculate storage data bits and Metadata bits for this scenario.

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(b) The additional SRAM required for metadata.

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