Consider the following data path diagram.
Consider an instruction: R0 $$ \leftarrow $$ R1 + R2. The following steps are used to execute it over the given data path. Assume that PC is incremented appropriately. The subscripts r and w indicate read and write operations, respectively.
Which one of the following is the correct order of execution of the above steps?
A
3, 5, 1, 2, 4
B
3, 5, 2, 1, 4
C
1, 2, 4, 3, 5
D
2, 1, 4, 5, 3
2
GATE CSE 2016 Set 2
Numerical
+1
-0
A processor has $$40$$ distinct instructions and $$24$$ general purpose registers. A $$32$$-bit instruction word has an opcode, two register operands and an immediate operand. The number of bits available for the immediate operand field is __________ .
Your input ____
3
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
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
B
Either S2 or S3
C
Only S2 and S3
D
All of S1, S2 and S3
4
GATE CSE 2006
MCQ (Single Correct Answer)
+1
-0.3
A $$CPU$$ has $$24$$-bit instructions. A program starts at address $$300$$ (in decimal). Which one of the following is a legal program counter (all values in decimal)?
