1. Tape speed in VHS is,
(A) 2.2 cm/sec
(B) 1.2 cm/sec
(C) 1.82 cm/sec
(D) None of These
2. For recording the video is normally;
(A) F.M
(B) A.M
(C) PCM
(D) None of These
3. The pits are generated on the
(A) Memory
(B) USB
(C) Tape
(D) None of These
4. The liquid crystal discovered in
(A) 1877
(B) 1977
(C) 1888
(D) None of These
5. The CCTV does not use modulators and
(A) Built in memory
(B) VGA Card
(C) Transmitters
(D) None of These
6. Video monitor does not contain
(A) All of These
(B) IF
(C) Demodulator
(D) RF
7. The typical liquid crystal matrix consists of
(A) 240x200 pixels
(B) 200x240 pixels
(C) 250x300 pixels
(D) None of These
8. HDTV meant by;
(A) Increased details
(B) Increased aspect ratio
(C) All of These
(D) Reduced Viewing distance
9. The HDTV has following the horizontal and vertical definition compared to conventional TV.
(A) Half
(B) Twice
(C) 3 Times
(D) None of These
10. The scanning lines are proposed for HDTV
(A) 1050
(B) 1125
(C) 1250
(D) All of These
11. To avoid the effect of flicker in HDTV the frame proposed is about
(A) 60 Hz
(B) 50Hz
(C) 55 Hz
(D) None of These
12. The ratio of the width to the height of an image is called
(A) Beam Ratio
(B) Light Ratio
(C) Aspect ratio
(D) None of These
13. Aspect Ratio of HDTV is increased to
(A) 1.40:1
(B) 1.31:1
(C) 1.78:1
(D) None of These
14. HDTV should be viewed about following times the picture height
(A) 3 Times
(B) 4 Times
(C) 5 Times
(D) None of These
15. Some sort of band compression techniques are applied to reduce the bandwidth is called
(A) None of These
(B) Decoding
(C) Encoding
(D) Transcending