Course Solutions Uncategorized (Solved) : 1 6 Pts Computer Main Memory Hard Disk Suppose Every Instruction First Requests Data Word Q32682423 . . . .

(Solved) : 1 6 Pts Computer Main Memory Hard Disk Suppose Every Instruction First Requests Data Word Q32682423 . . . .

 

Operating systems
1. (6 pts.) A computer has both main memory and a hard disk. Suppose every instruction first requests a data word from memory. If the word is in memory, it can access it immediately. However, if the word is not in main memory, it must access the hard disk to obtain the word. If 70% of the words referenced are found in main memory (ie, do not require disk access), what is the AVERAGE access time for this computer system if: Main memory access time.005 ms Disk seek time Disk search time Disk transfer time .75 ms 

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