Select all key ethical issues in data mining. -People may not be aware that their personal information is being gathered.

-People have not consented to the collection or use of the data.

-People do not know how the data will be used.

-People want data to be collected quickly.

answerdestination end device address;

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)