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Ch 2: Hardware & Systems Technology

About This Chapter

Let us help you work towards a great score on an upcoming certification exam with the lessons on hardware and systems technology found in this chapter. Our video lessons that make up this comprehensive study guide chapter are accessible 24 hours a day on your mobile device or computer.

Hardware & Systems Technology - Chapter Summary

This chapter presents hardware and systems technology, including a description of the different components characterized as computer hardware and the function of a computer system unit. You'll review computer memory and processing devices, as well as the peripheral devices of a computer and their varied types. Other topics include network interface cards (NIC) and the function and types of LAN cards available. Our lessons also cover keyboards, mice and other computer input devices. After you complete this chapter, you should be ready to:

  • Identify the computer parts that are defined as computer system components
  • Diagram a motherboard
  • Explain what a central processing unit (CPU) is and its function
  • Give examples of common computer output devices

Even the most complicated topics are easy to understand with these professionally designed lessons. Take the accompanying multiple-choice quizzes that follow each lesson to check your comprehension before moving on to other lessons. If you need to go back and review a portion of a video lesson, use the video tabs feature to skip ahead.

12 Lessons in Chapter 2: Hardware & Systems Technology
What is Computer Hardware? - Components, Definition & Examples

1. What is Computer Hardware? - Components, Definition & Examples

Computer hardware is the collection of physical parts of a computer system. This includes the computer case, monitor, keyboard, and mouse. It also includes all the parts inside the computer case, such as the hard disk drive, motherboard, video card, and many others. Computer hardware is what you can physically touch.

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 System Components: Computer Parts & Functions

3. 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 Motherboard? - Definition, Function & Diagram

4. 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.

Central Processing Unit (CPU): Parts, Definition & Function

5. Central Processing Unit (CPU): Parts, Definition & Function

The central processing unit (CPU) is the brain of your computer. It handles all the instructions you give your computer, and the faster it does this, the better. Learn about how a CPU processes instructions and how computer engineers are continuously coming up with ways to make it go faster.

Computer Memory and Processing Devices: Functions & Characteristics

6. 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 Are Peripheral Devices of a Computer? - Definition, Examples & Types

7. What Are Peripheral Devices of a Computer? - Definition, Examples & Types

A peripheral device connects to a computer system to add functionality. Examples are a mouse, keyboard, monitor, printer and scanner. Learn about the different types of peripheral devices and how they allow you to do more with your computer.

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

8. 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.

LAN Card: Definition, Function & Types

9. LAN Card: Definition, Function & Types

In this lesson, you'll be learning about LAN (or Local Area Network) cards, which is used to connect computers to networks. After the lesson, test your knowledge with a quiz.

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

10. 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.

Computer Input Devices: Keyboards, Mice, Audio & Video

11. Computer Input Devices: Keyboards, Mice, Audio & Video

What input devices do you use on a daily basis? We'll take a look at the common keyboard and mouse devices as well as other methods of input like audio and video.

Computer Output Devices: Monitors, Speakers, & Printers

12. 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.

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