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What is direction of control bus?
- AUni directional into the micro processor
- BUni directional out of the microprocessor
- CBi directional
- DMixed directions i.e. some lines into μP and some others out of μP.
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Control bus
- Control bus are various lines which have specific functions for coordinating and controlling microprocessor operations
- The control bus carries control signals partly unidirectional and partly bidirectional
Data Bus:
- Data bus is used to transfer data to and fro from the microprocessor and memory
- It is bi directional
Address Bus:
- The address bus carries addresses and is one-way bus from microprocessor to the memory or other devices
- Control bus are various lines which have specific functions for coordinating and controlling microprocessor operations
- The control bus carries control signals partly unidirectional and partly bidirectional
Data Bus:
- Data bus is used to transfer data to and fro from the microprocessor and memory
- It is bi directional
Address Bus:
- The address bus carries addresses and is one-way bus from microprocessor to the memory or other devices