Display Devices and Signal Generators - MCQs with answers

Display Devices and Signal Generators - MCQs with answers

Q1. The different types of analog recorders are

A. Graphic recorders
B. Oscillographic recorders
C. Magnetic tape recorders
D. All of these

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Q2. X-Y recorders is the type of

A. Graphic recorders
B. Oscillographic recorders
C. Magnetic tape recorders
D. Digital recorders

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Q3. The measurements which can be simplifies by using X-Y recorders is /are

A. Speed-torque characteristics of motors
B. Regulation curves of power supplies
C. Hysteresis curves
D. All of these

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Q4. Depending on whether the display is a numeric or alphanumeric, the segmental displays is

A. 7 segmental
B. 14 segmental
C. 21 segmental
D. Either (a) or (b)

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Q5. In light emitting diode, the available light emitting region is

A. Less than 2.5 mm
B. From 2.5 to 25 mm
C. Greater than 25 mm
D. Greater than 50 mm

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Q6. In liquid crystal displays, the liquid crystal exhibits properties of

A. Liquid
B. Solids
C. Gases
D. Both (a) and (b)

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Q7. A liquid crystal display requires

A. An ac drive
B. A dc drive
C. Both ac and dc drive
D. None of these

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Q8. The full range of audibility in audio frequency oscillator is

A. 0 to 20 Hz
B. 20 Hz to 2 kHz
C. 20 Hz to 20 kHz
D. 20 Hz to 20 MHz

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Q9. The basic difference between square wave and pulse generator is their

A. Waveforms shape
B. Duty cycles
C. Frequency range
D. Cost

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Q10. In function generator, the output waveform of integrator is

A. Sinusoidal
B. Square
C. Triangular
D. Saw-tooth

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