A computer has main memory access time of 500 ns or 500 x 10-9 seconds and cache memory access of 100 ns or 100 x 10-9 seconds and the hit ratio of the cache memory is 0.8, find the average access time2Calculate the largest decimal number that can be represented by TU bitsUsing 2’ complement only subtract 52136 from 54126Add

Database System Concepts
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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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1 A computer has main memory access time of 500 ns or 500 x 10-9 seconds and cache memory access of 100 ns or 100 x 10-9 seconds and the hit ratio of the cache memory is 0.8, find the average access time2Calculate the largest decimal number that can be represented by TU bitsUsing 2’ complement only subtract 52136 from 54126Add 100100102 to 10001012 and convert your answer to base 4Explain why 8790229 is not a good number system
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