Consider the following statements regarding addressing modes.

  • I. Direct addressing mode can move the data 45H immediately to register B.
  • II. Implied addressing mode can find and store the 1’s complement of the contains of accumultor A in A.
  • III. Register indirect addressing mode can move the contents of the memory location pointed by the H-L pair to the accumulator.
  • IV. Immediate addressing mode can load the contents of memory location into accumulator A.

Which of the following statement(s) is/are correct?
(A) Only I and IV
(B) Only II and III
(C) Only II, III and IV
(D) All I, II, III, IV


Answer: (B)

Explanation: According to definitions of these addressing modes, correct statements are as following below:

  • I. Direct addressing mode can load the contents of memory location into accumulator A.
  • II. Implied addressing mode can find and store the 1’s complement of the contains of accumultor A in A.
  • III. Register indirect addressing mode can move the contents of the memory location pointed by the H-L pair to the accumulator.
  • IV. Immediate addressing mode can move the data 45H immediately to register B.

So, only statements II and III are correct.

So, option (B) is true.

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  • Last Updated : 22 Nov, 2018

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