Question: When will a program use the direct register addressing mode? What does a program use the immediate value mode for? cpu memory locations in memory

When will a program use the direct register addressing mode? What

When will a program use the direct register addressing mode?

What does a program use the immediate value mode for?

cpu memory locations in memory instruction register general-purpose register 1 Immediate value (in the instruction) 2 Direct register reference 3 Direct memory reference 4 Indirect through a register 5 Indirect memory reference Figure 7.6 Illustration of the hardware units accessed when fetching an operand in various addressing modes. Indirect references take longer than direct references

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