9) The first electronic computer was built by
a) John Atanasoff and Clifford Berry
Scd
ed by
8) The ballpoint pen was invented by
a) Ladislo Biro b) Ari Hernandez
s
by
b) Tyson Rode and Scott Shelton
10) The microwave oven was invented by
ed by
a) Troy Howling b) Percy Spenser
11) The first video tape recorder was.
invented by
a) Norikazu Sawazaki b) William Lukas
by /12) The post-it note was invented by
a) Arthur Fry b) Steven Lefal
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