Give Three Examples of specialised input devices that would help a visually impaired user ?

Aconstruction company is creating a powerpoint presentation describing how they calculate costs during each construction step. they plan to email this presentation to clients. the individual clients will be watching the presentation slide show on their own personal computers. what is the most important formatting step the company should take to make the text readable and pleasing to the eye?

Laire writes a letter to her grandmother, in which she describes an amusement park she visited last week. she adds pictures of that place in her letter. which feature of a word processing program will claire to remove unwanted parts of the pictures?

Adrian has decided to subscribe for a new internet connection. he wants a high speed connection so that he can stream video content smoothly. which access technology would you advise adrian against using?