Computer Fundamentals - Engineering

Q1:

The earliest device that qualifies as a digital computer is

A EDSAC

B Abacus

C ENIAC

D EDVAC

E None of the above

ANS:B - Abacus

Atanasoff Berry Computer (ABC) : is the world's first(earliest) electronic digital computer. created at Iowa State University, USA, between 1939 and 1942. So the Answer is ABC computer. E. None.

The abacus itself doesn't calculate numbers; it's simply a device for helping the humans to calculate by remembering what has been counted.