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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Computer Basics Trivia App & e-Book – Optical Input Devices Admission Tests

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

The App: Optical Input Devices Trivia App to Study Optical Input Devices Notes, Computer Basics Trivia App, and DataBase Management System (MCS) Trivia App for online IT education.

The "Optical Input Devices Study" App: Free Computer Basics Study App Download (iOS & Android) to access computer courses. Download App Store & Play Store Learning Apps with all functionalities to strengthen system knowledge.