Feel more natural and so the user is comfortable making them

Users might not be able to perform them

Not appropriate for all audiences

The users manually enter the information on a screen or attached

Free text

Will be familiar with using it

Can use shortcuts

Time consuming to enter the information

Users may find it difficult to use if limited in fingers/wrists

Small handheld device which is used to move the cursor on a screen

Can accurately select an object

Perform lots of functions quickly

Reliant on a secondary device

Select the icons by touching areas of the screen

Quicker than a mouse or keyboard

Straightforward to use and easy to clean

Cost

Accuracy can be an issue

Sensitivity of screen

Give the device a command rather than have to manually enter or select a command

Quicker than having to manually type or select

Hands free

Background noise may interfere

Variety of language and pronunciation might not be understood