Which statement about maintaining accurate and complete data is true? Group of answer choices Data cleansing may involve standardizing data. The only source of "bad data" is user data-entry errors. Data enhancement techniques can fully substitute for data cleansing. Eliminating all "bad data" is a reasonable goal, even on a limited budget.

i think the answer is a or d

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)