Input devices

Question	Answer
Keyboard advantages	1. very little training needed. 2. can enter data very quickly if user is skilled. 3. specialist keyboards are available.
Keyboard dissadvanages	1. easy to make mistakes when typing. 2. keyboards are not suitable for creating diagrams. 3. excessive use can lead to RSI.
Mouse advantages	1. require little training. 2. works well with keyboards for data entry. 3. Ideal for desktop computers.
Mouse disadvantages	1. they need flat space next to the computer. 2. Excessive use can lead to RSI. 3. battery can wear out on wireless mouse.
Concept keyboard advantages	1. Very fast in making non-text selection such as menu options. 2. The keyboard is waterproof.
Concept keyboard disadvantages	1. poor text or numeric input. 2. limited to options shown on the keyboard.
Touch screen advantages	1. Easy to use so no training needed. 2. Software can alter screen when being used so more flexible than C-keyboard. 3. Can make use of finger gestures to do things like zooming or selecting.
Touch screen dissadvantages	1. not suitable for imputing large amounts of data. 2. tiring to use for long periods. 3. more expensive than alternatives such as mouse.
Graphic tablet advantages	1. much more natural to draw diagrams with pencil like implement rather than mouse. 2. Great level of accuracy.
Graphic tablet disadvantages	1. not very suitable for general selection work such as pointing and clicking on menu items. 2. Graphic tablets are much more expensive than mouse.

Resource summary

	Created by dominik los about 7 years ago