Computer Basics MCQs – Certification Test 977

Optical Input Devices Trivia (Question 977) – Study App & e-Book Download

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Optical Input Devices Study Guide – Google Book

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Apps:

MCQ 977: When computer mouse moves over the table surface, the trackball is:

stationary
difficult to move
dragged
moved in small stems

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Free Optical Input Devices Study App – Download from App Store & Play Store

The App: Optical Input Devices Trivia App to learn Optical Input Devices Notes, Computer Basics Trivia App, and Operating Systems Trivia App. The "Optical Input Devices Study" App Download – Free Computer Basics App (iOS & Android) for online software engineering certification. Download App Store & Play Store Learning Apps with all functionalities for top computer science schools in the world.