What is the best measure of computer performance? A single CPU flag can have mor

Question

What is the best measure of computer performance? A single CPU flag can have more than 2 possible values. True False In a 32bit OS, the DI register can be used as a pointer. True False What type of memory is used to reduce access time between the CPU and main memory? What is the value of EDI after the following code has completed running? mov EDI, 10 mov ECX,2 rep movsb Note: you cannot run this in VisualC++.. figure it out. What instruction is best for initializing large areas of memory to a single value, since it increments it's own pointer register. Given a CPU time of 1 milisecond, a clock rate of 1 Ghz, and an instruction count of 100,000, calculate the average cycles per instruction. 1 10 100 1000 What instruction is used with MOVS to repeat that instruction a number of times? What instructions are used for function calls?

Explanation / Answer

1. CPI - Cycle per instructions. Its measure the work load bearable by cpu

and efficiency of cpu as well.

2. NO - Flag registers are general purpose status register which can take only two valuse

O or 1.

3. yes - DI - destination index register:

Can be used for pointer addressing of data

Used as destination in some string processing instructions

Offset address relative to ES

11. cache Memory - it is used to store data temperory basis which comes from main

memory. so next time when we go again to fetch the same data we dont need to hit disk

again. this increses the performance.

16. CALL and EXIT

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