Input and Output Devices

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Input and Output Devices by Mind Map: Input and Output Devices

1. Input Device

1.1. Touch Screen - Computer monitor screen that responds to human touch

1.1.1. Benefits Quick and easy to use Easy for preliterate children to use Easy for children who cannot type Good for those who cannot or have difficulty controlling a mouse due to physical impairment

1.1.2. Challenges Inappropriate choice if large amount of data has to be entered Inappropriate if several choices need to be made from complex sets of options

2. Output Device

2.1. Data Projector - a projection unit that combines an LCD display and a light source into a single, lightweight box.

2.1.1. Benefits Large, bright display that everyone can see Can project both images from a computer and video from a video source Typically include built-in speakers, multiple computer input capability, software storage capability, and remote control

2.1.2. Challenges When using a scan converter to display a computer image to the class, text displayed may appear choppy and difficult to read