Central Processing Unit Q.41

0. The most appropriate matching for the following pairs

X. Indirect addressing1. Loops
Y. Immediate addressing2. Pointers
Z. Auto decrement3. Constant

  • Option : C
  • Explanation : In Indirect addressing mode the instruction does not have the address of the data to be operated on, but the instruction points where the address is stored.
    In immediate addressing mode the data is to be used is immediately given in instruction it self; so it deals with constant data.
    I n Aut o decrement addressing mode, Before determining the effective address, the value in the base register is decremented by the size of the data item which is to be accessed.
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