Copy of Input and Output Devices

1. Sound Output

1.1. Computers produce sound output, ranging from simple beeps alerting the user, game sound effects, concert quality music

2. Input Keyboard

2.1. used to enter text information into computer

2.2. used to type commands directing the computers to perform certain actions

2.3. New node

3. Output Scanners

3.1. scanner is a device that images a printed page or graphic digitizing it, it can produce an image made of tiny pixels or different brightness and color values

3.1.1. New node