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Competitive Stats
Q58Section I (Objective (Q1–Q80))57 of 79

Computer Applications — evaluating claims about pointing devices

Consider the following statements:

I. Light pen is an electro-optical pointing device which is generally connected to the Visual Display Unit (VDU) of the computer.\text{I. Light pen is an electro-optical pointing device which is generally connected to the Visual Display Unit (VDU) of the computer.}

II. Touchscreen is a pointing device that enables us to enter data such as text, pictures and images by directly touching the screen.\text{II. Touchscreen is a pointing device that enables us to enter data such as text, pictures and images by directly touching the screen.}

III. Joystick is a pointing device which controls the movement of the cursor on the screen by pointing in a particular direction only.\text{III. Joystick is a pointing device which controls the movement of the cursor on the screen by pointing in a particular direction only.}

Which of the statements given above are correct?

Options

Pick an option to check your answer. In a mock test a wrong answer here costs 0.83 mark.