• Home
  • Which of these was invented by the Bulgarian-American scientist John Vincent Atanasoff?
Question 1:
Which of these was invented by the Bulgarian-American scientist John Vincent Atanasoff?
A. Photoelectrets
B. The first wireless heart monitor
C. The first digital watch
D. The first electronic digital computer

These questions are from this test. Would you like to take a practice test?

Trivial Practice Quiz world - Test 240 | Englishfreetest.com