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3 cards from this section. Quick, good the night before a test.
What is an accumulator?
Think of it as a temporary storage space within the CPU.
Name one benefit of using fewer operands in an instruction.
Consider how many steps it takes to complete a task.
What role does an accumulator play in one-address instructions?
Think about what happens to values during calculations.
True or False: A zero-address instruction format uses explicit memory addresses.
Consider how values are handled in stack-based systems.
Create an instruction set using both single-address and zero-address formats to compute the expression (A + B) * (C + D). Reflect on the operation count for both.
Break down the operations step by step for both formats to see the differences.
Given the constraints of a single accumulator, devise an algorithm that executes a multi-step arithmetic problem efficiently. Determine potential inefficiencies.
Use logical groupings of operations to manage how you load your accumulator.
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