What is the relationship between instructions and micro operations?

What is the relationship between instructions and micro operations?
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Answer :

1 macro can be defined as a cycle involve numbers of small steps to execute or to perform a task this small step is known as micro-opration micro is part of instruction 2.instruction is task performed by micro opration
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Related questions

Each instruction is executed by set of micro operations termed as. a. Micro instructions b. Mini instructions c. Botha &b d. None of these

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Suppose that the number of instructions executed between page faults is directly proportional to the number of page frames allocated to a program. If the available memory is doubled, the mean interval between page faults is also doubled. Further, consider that a normal instruction takes one micro second, but if a page fault occurs, it takes 2001 micro seconds. If a program takes 60 sec to run, during which time it gets 15000 page faults, how long would it take to run if twice as much memory were available? (A) 60 sec (B) 30 sec (C) 45 sec (D) 10 sec

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Last Answer : Answer: C Explanation: T = Ninstr x 1µs + 15,000 x 2,000 µs = 60s Ninstr x 1µs = 60,000,000 µs - 30,000,000 µs = 30,000,000 µs Ninstr = 30,000,000 The number of instruction ... doesn't mean that the program runs twice as fast as on the first system. Here, the performance increase is of 25%.

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