By controlling the value held in the index register, we can make the add instruction refer to a different element each time it is executed.

We may also have further instructions to manipulate the index register or registers.

A more common system on modern computers is to store the return address in an index register.

The RPC-4000 computer had a really modern facility called an index register.

Any pair of registers can be used as a 16-bit index register.

Thirty-five patents resulted from the computer and the successful implementation of an index register.

The processor may scale the index register to allow for the size of each array element.

The first three bits after the sign specified an index register.

The 6800 has two accumulators and a 16-bit index register.

The instruction set was a single-address type with an index register.