Question:medium

Match List - I with List - II

List - I (Register)List - II (Function)
A. Memory Address (MAR)III. Holds address of the active memory location
B. Memory Buffer (MBR)I. Holds information on its way to and from memory
C. Program Control (PC)IV. Holds address of the next instruction to be executed
D. Accumulator (A)II. Accumulates results and data to be operated upon

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To distinguish MAR and MBR: MAR is the "Map" (holds the address/location), while MBR is the "Box" (holds the actual contents/data).
Updated On: May 20, 2026
  • A-IV, B-III, C-I, D-II
  • A-I, B-IV, C-III, D-II
  • A-III, B-I, C-IV, D-II
  • A-III, B-IV, C-I, D-II
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The Correct Option is C

Solution and Explanation

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