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Questions and Answers
How is the increment operation achieved in a common bus system?
How is the increment operation achieved in a common bus system?
- By enabling the count input of the counter (correct)
- By using an address bus
- By applying the content of any register onto the bus
- By transferring the content of the bus into the designated destination register
What purpose does a single register for the address serve in a common bus system?
What purpose does a single register for the address serve in a common bus system?
- Eliminates the need for an address bus (correct)
- Transfers content to AC
- Enables the increment operation
- Provides additional storage space
Where do the 16 inputs of AC come from in a common bus system?
Where do the 16 inputs of AC come from in a common bus system?
- Address bus
- Destination register
- Adder and logic circuit (correct)
- Counter
During which clock cycle event does the content of the bus transfer to the destination register?
During which clock cycle event does the content of the bus transfer to the destination register?
What is the significance of the bit in position 15 of the instruction code when the operation code is 111?
What is the significance of the bit in position 15 of the instruction code when the operation code is 111?
How many instruction code formats does a Basic Computer have?
How many instruction code formats does a Basic Computer have?
How many bits are used to specify an operation in register-reference instructions?
How many bits are used to specify an operation in register-reference instructions?
What does the leftmost four bits in register-reference instructions always represent?
What does the leftmost four bits in register-reference instructions always represent?
What is not needed when using a single register for the address in a common bus system?
What is not needed when using a single register for the address in a common bus system?
Which category of instructions includes operations like CMA, INC, and shift instructions?
Which category of instructions includes operations like CMA, INC, and shift instructions?
What do the last four bits represent in input-output instructions?
What do the last four bits represent in input-output instructions?
Which instruction is used for moving information to and from memory and processor register AC?
Which instruction is used for moving information to and from memory and processor register AC?
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