Ch 2: Computer Hardware Components & Functions

About This Chapter

Learn about computer hardware functions and components with this comprehensive online chapter. Watch these fun video lessons to study the uses and parts of computer hardware for upcoming exams, assignments, homework or fun.

Computer Hardware Components & Functions - Chapter Summary

Take a look at this chapter's fun and informative video lessons to learn about the components and functions of computer hardware. You'll receive expert instruction on a variety of computer hardware topics, including computer processing devices, motherboards, video cards, hard drives, network interface cards and output devices. Our lessons are accompanied by short self-assessment quizzes to help you reinforce your understanding of the information. The chapter is available at any time, and you can print the lesson transcripts if you want to study offline. When you're finished, you should be equipped to:

  • Evaluate the parts and functions of computer systems and units
  • Recognize the characteristics of computer memory and processing devices
  • Describe the layout of computer keyboards
  • Interpret motherboard diagrams
  • Compare types of video cards
  • Explain the function of hard drives
  • Differentiate between optical, magnetic and semiconductor storage
  • Assess the functions of network interface cards
  • Identify common computer output devices

10 Lessons in Chapter 2: Computer Hardware Components & Functions
Test your knowledge with a 30-question chapter practice test
Computer System Components: Computer Parts & Functions

1. Computer System Components: Computer Parts & Functions

Are you ready to buy a computer? Let's take a trip through the components of a computer for some advice. We'll learn about the motherboard, memory, storage, connectivity and peripherals.

What is a Computer System Unit? - Function, Components & Definition

2. What is a Computer System Unit? - Function, Components & Definition

A computer system unit is the enclosure that contains the main components of a computer. It is also referred to as a computer case or tower. Read on to learn about the functions and components that go into a computer system unit.

Computer Memory and Processing Devices: Functions & Characteristics

3. Computer Memory and Processing Devices: Functions & Characteristics

Have you ever wondered how your computer operates - specifically, where it stores all the information it needs to run? This lesson will answer that question by explaining the general functions of the central processing unit (CPU), random-access memory (RAM) and read-only memory (ROM).

What is a Computer Keyboard? - Parts, Layout & Functions

4. What is a Computer Keyboard? - Parts, Layout & Functions

To enter text into a computer, you use a keyboard. Learn about the different types of keyboards and the typical layout of the keys. If you are doing a lot of typing, it is a good idea to get familiar with all of its special functions.

What is a Motherboard? - Definition, Function & Diagram

5. What is a Motherboard? - Definition, Function & Diagram

The motherboard is a sheet of plastic that holds all the circuitry to connect the various components of a computer system. Learn how the motherboard functions to make all the other components work together.

What Is a Video Card? - Function, Definition & Types

6. What Is a Video Card? - Function, Definition & Types

A video card is used to process images so they can be displayed on your monitor. A good video card can make a big difference in the quality of your graphics, so this is particularly important if you play games or work with photography and video.

What Is a Hard Drive? - Types, Function & Definition

7. What Is a Hard Drive? - Types, Function & Definition

There are several different types of hard drives for storing software and data files: hard disk drives, solid-state drives and external drives. Learn about how they work and how to select the right drive for a particular computer system in this lesson.

External and Internal Storage Devices: Optical, Magnetic & Semiconductor Storage

8. External and Internal Storage Devices: Optical, Magnetic & Semiconductor Storage

Let's explore the capacity of internal and external storage devices. We'll learn how optical, magnetic and semiconductor storage works, as well as identify some examples of storage devices.

Network Interface Card (NIC): Types, Function & Definition

9. Network Interface Card (NIC): Types, Function & Definition

To connect to a network, a computer uses a network interface card (NIC). A NIC controls the wired and wireless connections of a computer to exchange information with other computers and the Internet.

Computer Output Devices: Monitors, Speakers, & Printers

10. Computer Output Devices: Monitors, Speakers, & Printers

So you've entered information into your computer. How do you get it back out? Here's a look at output devices such as monitors, speakers, printers and eBooks.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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