Question

Match List - I with List - II. 

List - I		List - II
A.	Pipeline bubble	I.	A deliberate delay or idle slot inserted in pipeline
B.	Pipeline flush	II.	Clearing all in-progress instructions
C.	Data forwarding	III.	Using result before it is written back
D.	Pipeline stall	IV.	Holding stages due to dependency or resource conflict

Choose the correct answer from the options given below:

• A. A-I, B-II, C-III, D-IV
• B. A-II, B-I, C-III, D-IV
• C. A-IV, B-I, C-II, D-III
• D. A-IV, B-III, C-II, D-I

Hint:

Bubble = NOP (Idle). Flush = Reset (Branch taken). Forwarding = Shortcut (Bypass). Stall = Wait (Conflict).

Answer 1

The Correct Option is A