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Questions and Answers
What is the main function of a data bus?
What is the main function of a data bus?
- Carry data from a device controller or port (correct)
- Carry commands to an I/O device controller or port
- Fetch instructions from memory
- Store results of an instruction into memory
Which control signal is issued when the CPU is reading from an input port?
Which control signal is issued when the CPU is reading from an input port?
- Memory Read
- Memory Write
- I/O Write
- I/O Read (correct)
In a system bus, what does the address bus determine?
In a system bus, what does the address bus determine?
- Speed at which data should be sent
- Operation to be performed on data
- Type of data to be sent
- Where data should be sent (correct)
Which signal is used to synchronize slow memory or I/O ports with the fast CPU?
Which signal is used to synchronize slow memory or I/O ports with the fast CPU?
What different functions does a system bus combine?
What different functions does a system bus combine?
What role does the control bus play in controlling the data and address lines?
What role does the control bus play in controlling the data and address lines?
When is the Memory Write signal issued?
When is the Memory Write signal issued?
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