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Question No. 1                                                                                                                 10 Marks

Write assembly language instructions to execute the following expression on 0-address and 3-address machines.

F = A + (B × C / D) – E

 

 

 

 

Question No. 2                                                                                                                  10 Marks

A compiler designer is trying to decide between two code sequences for a particular machine. The hardware designers have supplied the following facts:

 

 

Instruction Class

CPI required for each class

A

2

B

3

C

2

 

 

The compiler designer intends to write two code sequences to achieve a task. Both code sequences are required the following instruction count.

 

 

Code Sequence

Instruction Count for each sequence

A

B

C

1

10

5

8

2

6

4

9

 

 

a)      Which code sequence will execute faster? Justify your answer on the basis of CPU clock cycles calculations.

                                          

b)     What is the CPI for each code sequence?

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Good info

Lets Discuss Students 

baba of cs501 like a "White Robot".

He is genius 

100% tek kaha

assembly language 

start tu karen ab isko 

1st question ??

yar kya karna hay is assinmant ka

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