Which presentation element is hidden from onscreen display when viewing a slideshow?

a.

videos added to the slideshow

b.

speaker notes

c.

slide transition

d.

links to other slides

Pretty sure it's B. Speakers notes, but it can depend on the computer.

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)