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2 cards from this section. Quick, good the night before a test.
What is a register?
Think of it like a small box in your computer's brain.
What is an opcode?
It's like the command in your instructions.
What does an opcode specify in an instruction?
Think of it as the verb in a sentence.
True or False: Indirect addressing means the operand holds the data directly.
Consider how you use an address to find a house, not the house itself.
Consider a CPU with limited instruction space. How would you handle a situation with a very large opcode?
Think about how long documents are printed on multiple pages.
If R1 points to an invalid memory address, what implications does this have for program execution?
Consider what happens when someone tries to access a locked room.
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