Inventions Practice Test 82
Floppy Disk Quiz Questions and Answers PDF - 82
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The Quiz: In which one of following year, floppy disk was patented; "Floppy Disk" App Download (Free) with answers: 1977; 1905; 1967; 1932; for virtual online school. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for virtual online school.
Floppy Disk Questions and Answers PDF Download: Quiz 82
In which one of the following year, floppy disk was patented?
- 1905
- 1977
- 1967
- 1932
Compound Microscope first appeared in Europe in
- 1620
- 1630
- 1640
- 1650
Neutron were discovered by
- Sir Joseph Henry
- Sir James Chadwick
- Sir Elizebeth Friedmann
- Sir Frank Drake
Jigsaw Puzzles was invented by
- Sir John Spilsbury
- Sir Henry W. Seelay
- Sir Schuyler Skaats Wheeler
- Sir Samuel W. Francis
The refrigerator was invented by
- Sir James Hillier
- Sir Oliver Evans
- Sir Thomas Edison
- Sir Alexander Graham Bell
Mock Tests: Inventions Course Prep
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