Match List I (Electronic Device) with List II (Properties).

List I

i.Wireless mouse

ii.Optical mouse

iii.Liquid Crystal Display

iv.Optical Character Reader

List II

a.Reading of car number plate

b.Output device

c.Infrared light

d.Radio waves

Ai-d, ii-c, iii-b, iv-a ✓ Correct

Bi-c, ii-d, iii-b, iv-a

Ci-d, ii-a, iii-b, iv-c

Di-c, ii-b, iii-d, iv-a

Correct answer: (A) i-d, ii-c, iii-b, iv-a

Explanation

A wireless mouse communicates with the computer using radio waves.

An optical mouse tracks movement using infrared or LED light on a surface.

A liquid crystal display is an output device that shows information on screen.

An optical character reader reads printed characters such as a car number plate.

Wireless devices rely on radio signals while optical devices rely on reflected light.

An LCD forms images using liquid crystals controlled by an electric field.

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