Answer:
Presentations are commonly projected onto a whiteboard a large screen.
Slides can also be printed out onto clear acetate and used with a overhead projector (0HP) to project the contact onto a screen. If this method is used each acetate side usually has to be replaced my newly.
Presentations can also be set up to play through a large did you go display in reception areas of the hotels, schools, businesses etc.
The answers are A, B, and C
Step-by-step explanation:
to automate the ticket-purchasing process at movie theaters through a kiosk
to teach lessons to high school students
to deliver a sales presentation to clients
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