nanosecond

R.S.V.P. comes from the French phrase, 'répondez, s'il vous plaît,' which means 'please reply.' According to western etiquette, you should reply promptly if you receive a formal invitation.

A mile on the ocean and a mile on land are not the same distance. On the ocean, a nautical mile measures 6,080 feet. A land or statute mile is 5,280 feet.

A nanosecond (ns or nsec) is one billionth (10-9) of a second and is a common measurement of read or write access time to random access memory