Display devices

Which of the following display devices are NOT the type of Digital Display

• Matrix Displays

• CRTs

• Numeric Displays

• Multiplexed Display

In 7 segment display, how many LEDs are used?

In seven segment display, which of the following component is used to construct seven segments?

• Capacitor

• Diodes

• Inductor

• LED

In a Common Anode Seven Segment Display, which of the segment LEDs are ON for displaying decimal digit '0'?

• Segments a, b, c, d, e are ON

• Segments a, b, c, d, e, f are ON

• Segments a, b, c are ON

• Segments a, c, d, e, f, g are ON

In a Common Anode Seven Segment Display, which of the segment LED will be OFF for displaying decimal digit '6'?

• Segment b is OFF

• Segment c is OFF

• Segment d is OFF

• Segment g is OFF

Which of the following type of Alphanumeric Display conatins LED aligned in the form of Matrix?

• Dot-Matrix Display

• Mutliplexed Display

• Liquid Crystal Display

• Twisted Nematic Display

Which of the following factor is NOT an ADVNATGE of Multiplexed Displays?

• fewer wires are needed for connection

• reduced cost

• reduced power consumption

• None of the above

The full form of LCD is ____________

Select the operating voltage range for LCDs.

• 3 to 15V

• 10 to 15V

• 15 to 24V

• 10 to 32V

What is backplane in LCD?

• The ac voltage applied between segment and a common element

• The dc voltage applied between segment and a common element

• The amount of power consumed

• For adjusting the intensity of the LCD