Alessandro Wants to Use His Desktop Computer to Video Chat

Multiple Choice

Alessandro wants to use his desktop computer to video chat with his mother.What hardware does he need to accomplish this?

A) Use a webcam and scanner to ensure that the quality of the call is good.
B) Use his webcam and speakers so that he and his mother can both see and hear each other.
C) Use his keyboard,monitor,and speakers so that both he and his mother can see,hear,and even text each other.
D) Use his projector and webcam so that both he and his mother can clearly see and hear each other.