For computers based on three-address instruction formats... : GATE 2015 - Paper 1

For computers based on three-address instruction formats, each address field can be used to specify which of the following:

S1: A memory operand
S2: A processor register
S3: An implied accumulator register

(A) Either S1 or S2
(C) Only S2 and S3
(B) Either S2 or S3
(D) All of S1, S2 and S3

Answer

Answer: (A) Informative Question

2Comments
YASH @yash
29 Sep 2015 06:09 pm

ANSWER : (A)

EXPLANATION :

Address field of 3-address instruction can be either memory operand or processor register.

Implied accumulator register can not be address field 

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