One problem with using e-mail is that a. it can be perceived as being too casual b. it is never appropriate for business communication. c. it takes too long to write and send e-mails. d. none of the above

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)