WATT'S UP: Technical Quiz

What does the acronym LED stand for in electronics?

• Light Emitting Diode

• Longitudinal Electric Device

• Laser Emitting Diode

• Light Emitting Device

What does the acronym PCB stand for in electronics?

• Personal Computer Base

• Printed Circuit Board

• Programmable Control Board

• Power Control Block

What is the function of a thermistor in a circuit?

• To measure voltage

• To regulate current

• To control temperature

• To change resistance with temperature

What is the function of a decoder in digital circuits?

• To generate clock signals

• 
  To perform logical operations

• To convert binary data into a specific output pattern

• To store binary data

Which logic gate has an output that is the inverse (complement) of its input?

• AND gate

• OR gate

• NOT gate

• XOR gate

What is the primary function of a capacitor in a power supply circuit?

• To regulate voltage

• To store energy

• To smooth out voltage fluctuations

• To control current flow

What is the primary function of a transistor in electronic circuits?

• To store electrical charge

• To amplify or switch electronic signals

• To regulate voltage

• To produce light

What component is used to convert AC to DC in a power supply?

• Converter

• Rectifier

• Inverter

• Alternator

What is the unit of electrical inductance?

• Farad

• Tesla

• Henry

• Gauss

What does the acronym IC stand for in electronics?

• Interconnecting Cable

• Instrumental circuit

• Integrated Circuit

• Integrating constant