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Which type of addressing mode, less number of memory references are required?

  1. Immediate
  2. Implied
  3. Register
  4. Indexed
in CO and Architecture by Veteran (422k points)
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Implied Addressing Mode

In this mode Operand  is specified in instruction itself. Hence no need of Memory reference also called Zero address instruction.
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register addressing mode does not need memory reference  as operands are always in register

implied addressing mode :--may or may not need memory reference ( like push ,pop   or CMA instruction)

immediate addressing modes:--may or may not need memory reference

indexed addressing mode :----need memory reference

3 Answers

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In Implied Addressing Mode , operand is always present in instruction itself.                                                      So,option 2 is correct
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Register
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Option (B): Implied Addressing Mode

In this,the operand is specified with the instruction itself,

e.g.,RRC in 8085 microprocessor
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