The slowest computer bus would be a stopped or halted computer bus, since there would be infinite time between operations.

A Computer Bus is usually the USB Ports, and there used for USB Plugging things.

The "bus" is the communication system for the computer on the car.

A Intel system bus is a single computer bus that connects the components of a major computer system. The system bus also referred to as crossbar switch.

A bus consists of wires which is used to transfer data either in serial or parallel transmission.