7-Segment Display Quiz

How many individual LED segments are present in a 7-segment display?

• 6

• 7

• 8

• 9

What is the primary function of a 7-segment display?

• Display alphabets only

• Display numerical digits and some letters

• Convert digital signals to analog

• Store data in memory

Which component is commonly used to drive a 7-segment display in a digital circuit?

• Resistor

• Arduino

• Capacitor

• Transformer

What will happen if a common anode 7-segment display is connected incorrectly to a common cathode circuit?

• It will display the numbers normally

• The segments will not turn ON

• The display will burn out immediately

• The display will show reversed digits

How can a 7-segment display be made more power-efficient?

• Reduce the brightness

• Use PWM control

• Increase resistor values

• All of the above