Chapter 1:

Input

Input devices allow computer users to input data into their computers. In other words allows people to communicate with their computers. Examples of input devices include: keyboards, computer mice, webcams, and microphones.

Chapter 2:

Output

Output devices allow a computer to visualize processed data in the form of letters or numbers. The most common examples of output devices are monitors and printers.

Types of monitors:

1) Liquid Crystal Display(LCD)

2) Light-Emitting Diode(LED)

3) Organic Light-Emitting Diode(OLED)

Two Categories:

1) Impact Printers

2) Nonimpact Printers