2. What is the value of ECX in decimal after the following completes executing?

Question

2. What is the value of ECX in decimal after the following completes executing?

          mov ECX, 5000
here: nop
           loop here

3. What is the value of EDI after the following code has completed running?

         mov EDI, 10
         mov ECX, 2
rep   movsb

Note: you can not run this in Visual C++... figure it out.

4. Given the string called 'letters' in memory which is equal to 'Fancy' in ASCII and the following code:

lea ESI,letters
mov al,[ESI+4]

What value is placed in the AL register?

59 hex

79 hex

52 hex

70 hex

Need help answering these 3 questions all of them please.

59 hex

79 hex

52 hex

70 hex

Need help answering these 3 questions all of them please.

Explanation / Answer

2 Answer. 0.0
3 Answer.8
4.Answer:79 hex

->ECX is a volatile general-purpose register that is occasionally used
as a function parameter or as a loop counter.i.e store the loop count
in iterative operations.
->EDI is a non-volatile general-purpose register that is often used as
a pointer. It is similar to esi, except that it is generally used as a
destination for data.
-- It is used as destination index for string operations.

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