Address Bus
• Unidirectional
• Identifying peripheral or memory location
Data Bus
• Bidirectional
• Transferring data
Control Bus
• Synchronization signals
• Timing signals
• Control signal
System Bus – wires connecting memory & I/O to microprocessor
• Unidirectional
• Identifying peripheral or memory location
Data Bus
• Bidirectional
• Transferring data
Control Bus
• Synchronization signals
• Timing signals
• Control signal