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4 cards from this section. Quick, good the night before a test.
What does the opcode represent in an instruction?
Think about the task or action involved.
In which part of the instruction is the result of an operation stored?
Where do we put the answers in mathematics?
What does the opcode dictate in an instruction?
Think of what tells the CPU what to do first.
True or False: A zero-address instruction specifies all operands in the instruction.
Consider how stacks work—do they name every item, or just use what's on top?
Design a simple instruction set for a hypothetical CPU that includes at least five different instructions. Describe their opcodes and formats.
Think about what basic operations you would want a CPU to be able to perform.
Evaluate the efficiency trade-offs of using a three-address versus a one-address instruction in a given coding scenario. What are potential issues in execution time and memory usage?
Consider how sometimes longer instructions could mean fewer steps overall, but might slow things down!
5 more questions in this section. Enroll free to practise them all.
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