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CAVITE STATE UNIVERSITY
T3 CAMPUS
Department of Information Technology ITEC 90 – Network Fundamentals

The function of the northbridge is
primarily a fast path between the CPU
and the video bus and system RAM.
While the southbridge connects with the
slow hardware/components of the
system.

See the photo below to understand the function of these bridges:

Central Processing Unit (CPU)
Commonly known as the CPU or processor, this is the brain of the computer. It
interprets and carries out the basic instructions to operate a computer.
It impacts overall computing power and manages most of the computer
operations. The motherboard contains a socket to hold the processor or CPU. The central
processing unit (CPU), also called the processor or microprocessor, does most of the
processing of data and instructions for the entire system. Because the CPU generates heat,
a fan and heat sink might be installed on top to keep it cool.
Nowadays, processors have multiple cores called multi-core processors. This means that
the processor is a single chip that has two or more separate processors. In multi-core

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