Iot quiz

IOT deals with

• Connection of things

• Connecting things

• connection of computers

• connecting computers

what is the component of an iot system that executes a program

• sensor

• actuator

• microcontroller

• M2M

Which powers your laptop?

• Battery alone

• Microprocessor

• Washing machine motor

• Microcontroller

A modern washing machine uses a…

• Microprocessor

• Microcontroller

• Both

• None

RFID works by using…

• Radio waves

• Bluetooth

• Infrared light

• Morse code

Smart lighting in campus is controlled using…

• Solar panels only

• Security guards

• Jumper wires

• Motion sensors

What does an ultrasonic sensor measure?

• Temperature

• Distance

• Light

• Motion

What does LIFI stands for?

• Laser fidelity

• Light fidelity

• Linear fidelity

• Line fidelity

Which component in the Li-Fi project detects the light signal?

• Resistor

• Capacitor

• LED

• Solar Panel

What is the wavelength range of visible light used in Li-Fi?

• 100–300 nm

• 380–750 nm

• 1–10 µm

• 2.4–5 GHz