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Voice input - Allows a greater use of spoken natural language in their control, making it more intuitive.
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Touch screen- Allow for the use of gestures for controlling the device, which is much more intuitive for the average user.
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Force feedback - Also known as Haptic feedback, gives the user a physical sense that something has changed within the device via vibrations.
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Virtual reality - Taking over as many senses as technologically possible to give the user the sense that they have been transported elsewhere. Simulates 3D through 360 degree headtracking.
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Augmented reality - Takes the real world as seen through the devices sensors (accelerometers, cameras etc.) and lays digital information over it for a combination of the two.
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Advantages
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Disadvantages
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A much more intuitive experience
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Background noise may prevent recognisation
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Allows people with physical disabilities to to use some devices
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Accents may not be recognised
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No training required if implemented into a work setting
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Talking for extended periods of time could cause problems
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Advantages
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Disadvantages
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Provides an alternative to loud noises when used as a notification method
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Could easily be ignored since it's not hugely invasive
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Advantages
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Disadvantages
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Use of gestures makes it very intuitive
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Not very robust-breaks fairly easily
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No extra peripherals needed
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Loss of accuracy due to selecting things with fingers
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Easy to clean unlike traditional keyboard-very hygienic
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Large touch screens are a lot more expensive than just a keyboard and mouse
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Requirements - Does it meet the specification. Specific requirements must be made in order for this to be measurable
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Performance - Does it respond fast enough for its use. Normally this will have a requirement of it's own
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Robustness - Does it crash frequently or at all. The level required depends on the type of software
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Cost - Has the system come in or on budget. Systems that are more expensive than predicted are rarely seen as successful
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Usability - Is it usable by the end user. This depends on the skill levels of the users and the nature of the solution
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
