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4 cards from this section. Quick, good the night before a test.
What does the term 'opcode' refer to?
Think about what the processor needs to execute an operation.
What is the function of an accumulator?
What do we store before putting results somewhere else?
What does the opcode in an instruction specify?
What do you need to tell the computer in order for it to do something?
True or False: A one address instruction can specify two operands.
Think about how many operands are actually specified.
Design a one address instruction for an operation that multiplies a number from memory address 50 with the accumulator's value and stores the result back in the accumulator. Describe the instruction.
What operation are you trying to perform?
Consider instructions that use one, two, and three addresses. Provide a situation where a one address instruction might not suffice and explain your reasoning.
Think about how many different places you want to get numbers from.
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