What is a system bus and bus speed?

My ask is this, my motherboard <asrock M266A R3> has a maximum bus speed of 533 MHz, will it be compatible if i would buy a pentium 4 processor beside the following specifications?

Clock Speed 3.4 GHz

Bus Speed 800 MHz

Compatible Processor Socket Socket 478

Packaging Type FC-PGA2

Cache Level 1 Size 8 KB

Architecture Features Streaming SIMD extensions 2, Hyper-Threading Technology

What is a system bus and bus speed?

if you using motherboard 533mhz and processor 3.4 800mhz you can use it but you wont get the best speed for your workstation. bus speed is the term using for sending your information for processing from input example switch in facts from keyboard and the facts will send to processor to process. for the best result you should variation the motherboard support 8oomhz or hyper trading support same like your powerful processor.