Input & Output Devices

1. Keyboard

1.1. Configures like a typewriter keyboard

1.2. Enter data

1.3. Cursor keys to move pointer

2. Mouse

2.1. Moves objects on computer

2.2. Make selections

2.3. Give commands

3. Resolution

3.1. More pixels

3.2. Clarity/crispness of images

3.3. Measured by pixels

4. Touch Pad

4.1. Move fingertip around surface

4.2. Flat-pressure sensitive

5. All provides soft copy outputs

5.1. Varies in size

5.2. Varies in resolution

5.3. Capabilities

6. Trackball

6.1. Move fingertips around surface

6.2. Flat pressure-sensitive