The earliest device that qualifies as a digital computer is

A. EDSAC

B. Abacus

C. ENIAC

D. EDVAC

E. None of the above

Answer: Option B

Solution(By Examveda Team)

The earliest device that qualifies as a digital computer is Abacus. Abacus can be learned at any age, the obvious benefits are seen when a kid starts learning abacus during early years of education. It is important that the student can count up to 100 prior joining for Abacus training.