Neco 2017 Computer Studies Question 2
Practice objective / multiple choice question 2 from the 2017 Neco Computer Studies examination.
An input device was invented in 1964 by Douglas Engelbart and later improved in 1981 with the introduction of the optical sensor. What is the name of this device?
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About This Question
This is Neco 2017 Computer Studies Question 2. It is one of the objective questions from the 2017 Neco Computer Studies examination.
Difficulty level: Easy .
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