Consumer Electronics important question/question bank for ECE


Mar 15, 2017
Hi friends

Below you can find some important questions for the subject Consumer Electronics. These questions will help you prepare better for your semester exams.


  • Very Short Answer type questions.
Q What is the function of capstan in a tape recorder?
Q Define IF signals.
Q Define aspect ratio.
Q Define link blanking period.
Q What is the use of aluminium coating?
Q Define Hue.
Q What are secondary colours?
Q What is colour triangle?
Q What is the application of DTH?

  • Short answer type questions
Q Write short note on Multi speaker system.
Q Explain the working of Digital recording system.
Q What is scanning? What is the need of scanning?
Q What is the need of Synchronization?
Q Write a short note on "Composite video signal".
Q What do you understand by beam modulation in TV picture tube?
Q Draw schematic diagram of Vidicon camera tube.
Q Explain why VSB transmission is used.
Q Explain the function of RF tuner of monochrome TV receiver.
Q What is the function of AGC circuits in TV receiver.
Q Explain the concept of additive mixing.
Q Explain how R, G and B signals are formed in colour TV system?
Q Draw block diagram of PAL TV receiver.
Q Explain the working of LCD TV.
Q Explain the working principle of Digital Cameras.

  • Long answer type questions.
Q. What is the working principle of loud speaker? What are different types of loudspeakers?
Q. Explain basic elements of monochrome TV communication system.
Q. Write comparison between NTSC, PAL and SECAM system.
Q. Write short notes on:-
a)Cable TV
Q.7 Explain the working principle of Scanner with the help of suitable diagram.
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