CS501 Advance Computer Architecture Close Date Fall 2014 18th November 2014

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CS501 Advance Computer Architecture Close Date 18th November 2014


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 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
1 A B C
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.



What is the CPI for each

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CS501 - Advance Computer Architecture (Graded)


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