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5 cards from this section. Quick, good the night before a test.
What does the opcode do in an instruction?
Think about what part tells the CPU what to do.
Identify the source and destination operands in the instruction 'ADD R1, R2'.
Look for where the data comes from and where it goes.
What does the opcode of an instruction specify?
Focus on what directs the CPU to perform tasks.
True or False: The source operand tells where to store the result of an operation.
Identify the roles of each operand.
Design a three-address instruction that could calculate the average of three numbers stored in registers R1, R2, and R3. Describe how this instruction would operate.
Break down the operation into clear steps and identify the roles of destination registers.
Explain how a zero-address instruction changes the understanding of operand source and destination.
Explore the stack's role in simplifying operand management.
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