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Questions and Answers
What controls the timing for all registers in a basic computer?
What controls the timing for all registers in a basic computer?
- Data signals
- Address lines
- Control unit
- Master clock generator (correct)
When are the state changes of a register triggered by clock pulses?
When are the state changes of a register triggered by clock pulses?
- When the clock pulses are strong
- When the register is enabled by a control signal (correct)
- When the register is disabled
- Always
What provides control inputs for the multiplexers in the common bus?
What provides control inputs for the multiplexers in the common bus?
- Master clock generator
- Data bus
- Processor registers
- Control unit (correct)
Which type of control organization uses gates, flip-flops, and decoders to implement control logic?
Which type of control organization uses gates, flip-flops, and decoders to implement control logic?
What is an advantage of hardwired control organization?
What is an advantage of hardwired control organization?
In micro programmed organization, where is the control information stored?
In micro programmed organization, where is the control information stored?
What micro operation is performed when executing the 'AND to AC' instruction?
What micro operation is performed when executing the 'AND to AC' instruction?
What does the 'STA : Store AC' instruction do?
What does the 'STA : Store AC' instruction do?
Why is it necessary to first read the memory word into DR before transferring it to AC in the 'LDA : Load to AC' instruction?
Why is it necessary to first read the memory word into DR before transferring it to AC in the 'LDA : Load to AC' instruction?
What does the 'BUN : Branch Unconditionally' instruction do?
What does the 'BUN : Branch Unconditionally' instruction do?
Which flip-flop is affected by executing the 'ADD to AC' instruction?
Which flip-flop is affected by executing the 'ADD to AC' instruction?
What happens when executing the 'BSA : Branch and Save Return Address' instruction?
What happens when executing the 'BSA : Branch and Save Return Address' instruction?
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