
1) Computer network
Found on
https://www.crosswordclues.com/clue/can-bus

CAN bus (for controller area network) is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other within a vehicle without a host computer. CAN bus is a message-based protocol, designed specifically for automotive applications but now also used in other areas such as aerospace, maritime, industrial autom...
Found on
http://en.wikipedia.org/wiki/CAN_bus

Controller Area Network The automotive industry standard for on-board vehicle communications. It is a two wire, serial communications bus which is used for networking intelligent sensors and actuators
Found on
http://www.mpoweruk.com/glossary.htm
No exact match found.