What is abacus main purpose in early days?

Explanation:

the abacus is the one of many counting devices invented in ancient times to help count large numbers,but it is believed that the abacus was first used by the Babylonians as early as 2,400 B.C

answeruse the nslookup utility;

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)