Question:
Who invented the Computer Keyboard?
Answer:
Christopher Latham Sholes
Question:
Who invented the Compact Disc?
Answer:
James Russell
Question:
Which is the invention year of Fax?
Answer:
1843
Question:
Which is the invention year of Air Pump?
Answer:
1650
Question:
Which is the invention year of Air Conditioner?
Answer:
1902
