Consider an instruction format where some opcodes require an additional operand byte (immediate or address). Which action is a direct consequence of correct instruction decoding?

Question

Answer

The stack pointer is updated to reflect instruction length

Answer

The memory data register decides whether the instruction is conditional

Answer

The CU determines whether to fetch one or more additional bytes after the opcode

Answer

The ALU determines how many bytes the instruction occupies independent of what the control unit determines

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Consider an instruction format where some opcodes require an additional operand ...

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