CompTIA A+ Exam 220-901: CPUs

This path is intended for anyone who wishes to enter the IT professional field, and requires entry-level training to get them started with a career in technical support.


Expected Duration
87 minutes

The main brain of the computer is the Central Processing Unit (CPU) but there are many different types of CPUs, and many different factors to take into account when choosing between them. This course will teach the basics of CPUs, how they work, and all of the different factors that you need to take into account to install and configure a CPU in your computer.


Understanding the CPU

  • start the course
  • describe central processing unit
  • describe CPU sockets
  • describe clock speeds
  • describe overclocking
  • describe multicore
  • describe virtualization
  • describe CPU socket types
  • describe installing the CPU and cooling

Understanding Power Supplies

  • describe power and electricity
  • describe motherboard power connectors
  • describe voltage and rails
  • describe form factors and power connectors
  • compare form factors and power connectors
  • describe dual voltage
  • describe troubleshooting and replacing power supplies
  • describe how to test AC power
  • compare power strips and surge protectors

Cooling Technologies

  • describe CPU heat pipes
  • describe liquid cooling

Practice: Identify Power Connectors

  • identify power connectors





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