(1) The primary pathway between the CPU and memory. The speed is derived from the number of parallel channels (16 bit, 32 bit, etc.) and clock speed. Also known as a "frontside bus," it is faster than ...

The relationship between the speed of the computer's system bus and the CPU. For example, a 1/4 ratio means that the CPU runs four times as fast as the bus. See core speed. THIS DEFINITION IS FOR ...