SJI 9 - TLE Segment LED

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

• To display decimal numerals

• To amplify signals

• To store data

• To transmit signals

How many LEDs are there in a 7-segment LED display?

• 6

• 7

• 8

• 10

In a 7-segment LED display, what are the two main types?

• Series and parallel

• Positive and negative

• Common cathode and common anode

• Active and passive

In a common cathode 7-segment display, where are all the cathodes connected?

• To the anodes

• To a common ground pin

• To an individual pin

• To the power supply

What voltage is supplied to the pins a-g in a common cathode 7-segment LED display to turn on an LED?

• 0V

• 3.3V

• 5V (HIGH)

• Ground

In a common anode 7-segment display, where are all the anodes connected?

• To ground

• To a common pin connected to 5V

• To each LED’s cathode

• To a separate resistor

To display the number '1' on a 7-segment display, which segments should be turned on?

• a, b, and c

• b and c

• a, g, and d

• e, f, and g

What segments need to be activated to display the number '2'?

• b, c, and d

• a, b, g, e, and d

• a, f, and g

• a, b, e, and f

Which pin in a common cathode configuration is connected to ground?

• Pin a

• Pin g

• Pin com

• Pin e

What happens if no voltage is applied to any segment in a 7-segment display?

• All segments light up

• The display shows '8'

• The display remains blank

• Only segment a lights up