This set of Video Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Home Theatres”.
1. Which of the following is the most important and expensive component of home theatre?
a) Projection system
b) Tuner receiver
c) Stereo receiver
d) Loud speaker
View Answer
Explanation: Projection system is the most important and expensive component of home theatre. Generally, the projection systems used are: i) Rear Projection (RPTV) and ii) Front Projection (DLP front projector). The DLP front projector with DMD chip is expensive but better.
2. Which of the following are used for recording high quality videos in home theatre system?
a) DVR
b) DVD
c) Blu-ray disc
d) Satellite box
View Answer
Explanation: Digital Video Receivers (DVRs) are used for recording high quality videos. VCRs also serve the same purpose but nowadays they have become outdated and DVRs have replaced them. DVDs are used for playing pre-recorded audio/video discs. Blu-Ray discs having large storage capacity as compared to DVDs are also used widely.
3. What is the maximum screen size available in home theatre?
a) 180”
b) 80”
c) 150”
d) 120”
View Answer
Explanation: Commonly 90” screens are used for medium size home theatres. Maximum size available for screens is 120”. Projector focuses the recorded video on screen at other end of hall and the screen displays this focused image. It also synchronizes signals from tuner recorder.
4. Which tuner should be preferred on a high definition satellite receiver unit in home theatre?
a) Integrated Off-Air
b) Integrated On-Air
c) Virtual
d) Clip-on
View Answer
Explanation: Various factors are considered in designing home theatres. Tuner receiver is one of them. Integrated Off-Air tuner on a high definition satellite receiver unit should be preferred. It is capable of receiving High Definition (HD) and Standard Definition (SD) telecasts.
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