Which of the Following Uses the Synchronized Positioning of Light-Emitting

question 17

Multiple Choice

Which of the following uses the synchronized positioning of light-emitting and sensing devices to detect user input?

• A) Biometric keyboard scanner
• B) Laser virtual keyboard
• C) Fingerprint scanner
• D) Touch display screen

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Definitions:

Irish Canadian

Canadians of Irish descent or origin, contributing to Canada's cultural and social fabric.

Singapore

An island city-state in Southeast Asia, known for its robust economy, multicultural population, and as a global financial hub.

Dark-Skinned Man

A descriptive term referring to an individual with a higher melanin pigment concentration in the skin, commonly associated with people of certain racial or ethnic backgrounds.

Sidewalk

A paved path for pedestrians at the side of a road.