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Question

The index register in a digital computer is used for?

A
Pointing to the stack address
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B
Indirect addressing
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C
Keeping track of number of times a loop is executed
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D
Address modification
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E
None of these
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Solution

The correct option is D Address modification
An index register in a computer's CPU is a processor register used for modifying operand addresses during the run of a program, typically for doing vector/array operations.

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