display devices

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

• Matrix

  Displays

• CRTs

• Numeric

  Displays

• Multiplexed

  Display

In 7 segment display, how many LEDs are used?

• 7

• 8

• 9

• 10

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 contains 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 ADVANTAGE of Multiplexed Displays?

• fewer

  wires are needed for connection

• reduced

  cost

• reduced

  power consumption

• None of

  the above

The full form of LCD is ____________

• Liquid

  Crystal Display

• Logical

  Crystal Display

• Logical

  Crystalline Display

• Liquid

  Crystalline Display

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