The device that serves as the brain of a computer is the
a. random access memory.
b. central processing unit.
c. input device.
d. output device.

What questions about an audience should be asked during presentation preparation? check all that apply. what does the audience already know about the topic? how will multimedia tools inspire the audience? is the information interesting and engaging? how will this information affect the presentation? will the audience change the message’s purpose? what is likely to interest the audience?