Question:
Which addressing mode provides the fastest access?
Which addressing mode provides the fastest access?
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Speed hierarchy:
Registers \(>\) Cache \(>\) Main Memory \(>\) Secondary Storage
Updated On: Jun 25, 2026
- Direct
- Indirect
- Register
- Indexed
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The Correct Option is C
Solution and Explanation
Concept:
Addressing modes determine how operands are accessed during instruction execution.
The speed depends on where the operand is located.
Step 1: Compare memory and registers.
Accessing memory requires significantly more time than accessing CPU registers. Registers are located inside the processor.
Step 2: Analyze addressing modes.
Direct, Indirect and Indexed modes require memory access. Register addressing mode accesses data directly from CPU registers.
Step 3: Determine fastest mode.
Since registers are the fastest storage locations, \[ \boxed{\text{Register Addressing Mode}} \] provides the fastest access.
Step 1: Compare memory and registers.
Accessing memory requires significantly more time than accessing CPU registers. Registers are located inside the processor.
Step 2: Analyze addressing modes.
Direct, Indirect and Indexed modes require memory access. Register addressing mode accesses data directly from CPU registers.
Step 3: Determine fastest mode.
Since registers are the fastest storage locations, \[ \boxed{\text{Register Addressing Mode}} \] provides the fastest access.
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