Technology expert Todd McLeod explains how computers store information, discusses the basics of CPU, RAM, and ROM, and shares how access affects performance.

Todd McLeod guides you through the process of finding RAM for your computer, including where to buy it and how to make sure it’s right for your machine.

In this overview of the Computer Hardware Basics course, Todd McLeod covers the basics of computer hardware and the interdependence of hardware and software.

Computer expert Todd McLeod guides you through categorizing electronic devices as one of a computer’s four functions (IPOS) and introduces the term I/O device.

Todd McLeod explains what the motherboard does and where to find it, how buses carry data, and what the main functions of the power supply include.

In this lesson with computer expert Todd McLeod, learn about the types of drives that are in a computer, where they are, and how to install them.

In this lesson, learn the basics of random access memory (RAM). Watch as Todd McLeod demonstrates how to remove and install memory in a desktop computer.

Todd McLeod explains more about storage drives and optical drives, how to use the various ports, and where to add expansion cards in a desktop computer.

Computer expert Todd McLeod explains the basics of the central processing unit (CPU) and shares how hardware and software communicate within your machine.

Todd McLeod explains clock speed and how it affects your computer’s performance, gives a brief history of the first CPU, and discusses the machine cycle.