GATE | GATE-CS-2002 | Question 13

Which of the following is not a form of memory?
(A) instruction cache
(B) instruction register
(C) instruction opcode
(D) translation lookaside buffer


Answer: (C)

Explanation: Instruction Cache – Used for storing instructions that are frequently used

Instruction Register – Part of CPU’s control unit that stores the instruction currently being executed

Instruction Opcode – It is the portion of a machine language instruction that specifies the operation to be performed



Translation Lookaside Buffer – It is a memory cache that stores recent translations of virtual memory to physical addresses for faster access.

 

So, all the above except Instruction Opcode are memories.

Thus, C is the correct choice.

 

Please comment below if you find anything wrong in the above post.

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