Computer Science, asked by muhammadumair4299, 1 month ago

What is meant by addressing mode? Describe any four addressing modes used in modern computer systems.

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Answered by sy2681770

1

Answer:

Addressing modes are an aspect of the instruction set architecture in most central processing unit (CPU) designs. ... An addressing mode specifies how to calculate the effective memory address of an operand by using information held in registers and/or constants contained within a machine instruction or elsewhere.

we discussed four different addressing modes: register, immediate, direct, and indirect. The last two addressing modes specify operands in memory. However, operands located in memory can be specified by several other addressing modes.

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