Inventions MCQs (Grade 8) From Textbook
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The MCQ: In which one of the following countries, pointing stick was patented; "Pointing Stick" App Download [Free] with answers: america, sweden, germany, and italy for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple Book (Free Chapter) for school certificate.
In which one of the following countries, pointing stick was patented?
Pointing Stick was invented by IBM computer scientist named as
In which one of the following year, pointing stick was invented?
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