Computer Fundamentals - Engineering

Q1:

In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of a register?

A Absolute mode

B Indirect mode

C Immediate mode

D Index mode

E None of the above

ANS:D - Index mode

Index addressing mode : the address of the operand is obtained by adding to the contents of the index register a constant value.

Index Mode is used to access an array whose elements are in successive memory locations.