Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Inventions
Question #6189
Back to Home
View All Inventions Questions
58 Views
Question
What did Chester Carlson invent that revolutionized office copying?
A. Xerox machine
B. Fax machine
C. Typewriter
D. Printer
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the purpose of a patent system?
56
In which year was the first practical helicopter flight demonstrated by Igor Sikorsky?
35
This part-time race car driver invented the bucket seat in 1969. Who was he??
47