Question

The code size of 2-address instruction is________________.? 5 bytes? 7 bytes? 3 bytes? 2 bytes

Answer 1

Answer:

7 bytes

Explanation:

2 Address Instruction

The 2 address instruction consist 3 components in the format.

One is opcode,other two are addresses of destination and source.

Example-

load b,c | Opcode   destination address,source address

add a,d  | Opcode   destination address,source address

sub c,f    | Opcode   destination address,source address

Opcode consists of 1 bytes whereas destination address and source address consist of 3 bytes each.

(1+3+3) bytes=7 bytes