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Quiz: Instructions and Addressing Modes

5 questionsNo time limitPass: 60%+10 XP on first pass

How instructions are encoded (opcode and operand fields, 0/1/2/3-address formats), every addressing mode with the effective-address formula and a Python simulation, instruction-format numericals, and RISC vs CISC with real examples.

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  1. Question 1

    In immediate addressing, where is the operand?

  2. Question 2

    In the simulation, what is the operand for indirect addressing with field 100?

  3. Question 3

    A 32-bit instruction has two 6-bit register fields and a 12-bit immediate. How many opcodes are possible?

  4. Question 4

    Which addressing mode is most natural for accessing arr[i]?

  5. Question 5

    Which statement about RISC is true?