A+ Tutorials The Centeral Processing Unit (CPU)A+ Tutorials - The Centeral Processing Unit (CPU)
Before You Begin
Lesson 1: Microprocessors
The External Data Bus
The CPU
Memory
How Microprocessors Work
PC Microprocessor Developments and Features
Pentium
Lesson Summary
Lesson 2: Replacing and Upgrading Chips
Possible Upgrade Scenarios
Inserting a CPU
Lesson Summary
tutorial Summary
Review
This tutorial presents an overview of the central processing unit (CPU), which functions as the "brain" of the personal computer. Like the brain, the CPU is a complicated, highly integrated component performing many simultaneous functions. Understanding the principles that underlie the workings of the microprocessor is critical to understanding the computer and its operation.