Can some one give me a april fools joke i can do to my teacher

slap dem cheeks

Explanation:

put a thumb tack on his/her chair so he/she will sit on it!

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)