Chapter 3. The CPU

This chapter covers the following A+ exam topics:

Image CPU 101

Image Installing and Troubleshooting CPUs

You can find a master list of A+ exam topics in the “Introduction.”

This chapter covers CompTIA A+ 220-901 objectives 1.6 and 4.1.

The central processing unit, or CPU, is quite often referred to as the “brain” of the computer. Today’s CPUs are like superbrains! A typical CPU today runs between 2 and 3.5 GHz or higher, uses multiple cores, and some can easily process 100 billion operations per second. That’s a good deal more than you ...

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