ENIAC took ~1/3 of a second to compute a square root.
when and where computer first time inveted
An operation which when performed multiple times, has no further effect on Its subject after the first time it is performed. - Nacolepsy
The first time it was switched on
No, it is not. It can perform an instruction fetch and data operation at the the same time and so, by definition, it is not.
no but it was the longest and most complete at the time
why are you asking what is the longest question ever asked when you could be spending time doing something better than sitting on the computer typing what is the longest question ever asked? How do you pronounce Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu?
aryabhatta
The Longest Time was created in 1983.
1976
the longest division of geological time; an immeasurably long period of time; a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe. Hope it can help you.
The Z1 Computer, the first actual programmable computer.
1971