Inventions Practice Test 82
Floppy Disk Quiz Questions and Answers PDF - 82
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The Quiz: In which one of the following year, floppy disk was patented; "Floppy Disk" App Download (Free) with answers 1977, 1905, 1967 and 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
MCQ 406: In which one of the following year, floppy disk was patented?
- 1905
- 1977
- 1967
- 1932
MCQ 407: Compound Microscope first appeared in Europe in
- 1620
- 1630
- 1640
- 1650
MCQ 408: Neutron were discovered by
- Sir Joseph Henry
- Sir James Chadwick
- Sir Elizebeth Friedmann
- Sir Frank Drake
MCQ 409: Jigsaw Puzzles was invented by
- Sir John Spilsbury
- Sir Henry W. Seelay
- Sir Schuyler Skaats Wheeler
- Sir Samuel W. Francis
MCQ 410: 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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