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ruchi arora's Questions & Answers

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What is Negative Feedback?

Asked by kajol devgan in TV & Radio at 1:48 PM on April 29, 2008

ruchi arora's Answer

A process that results in a reduction in the response of a system to an external influence.

Answered at 10:02 PM on April 30, 2008

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What is NIT?

Asked by kajol devgan in TV & Radio at 1:48 PM on April 29, 2008

ruchi arora's Answer

A measure of luminance equal to one candela per square meter. The term "nit", used mostly in the US, comes from the Latin word "nitere", meaning "to shine".

Answered at 10:01 PM on April 30, 2008

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wHAT IS CHAPTER?

Asked by kajol devgan in TV & Radio at 4:03 PM on April 30, 2008

ruchi arora's Answer

1. In DVD-Video, a division of a title. Technically called a part of title (PTT). 2. A method of organizing different scenes of a movie for easy navigation and access. DVDs are indexed by chapter, similar to the way a CD has a track. DVD players allow you to skip to a particular chapter or scene.

Answered at 9:57 PM on April 30, 2008

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What is CCTV?

Asked by kajol devgan in TV & Radio at 4:03 PM on April 30, 2008

ruchi arora's Answer

Closed Circuit Television. Usually a security system using cameras that transmits visual information over a closed circuit through electrically conducting cable or wireless transmitter and receiver.

Answered at 9:58 PM on April 30, 2008

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wHAT IS ntsc?

Asked by kajol devgan in TV & Radio at 1:49 PM on April 29, 2008

ruchi arora's Answer

National Television System Committee. The NTSC is responsible for setting television and video standards in the United States (in Europe and the rest of the world, the dominant television standards are PAL and SECAM). The NTSC standard for television defines a composite video signal with a refresh rate of 60 half-frames (interlaced) per second. Each frame contains 525 lines and can contain 16 million different colors.

Answered at 10:00 PM on April 30, 2008

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What is Cartridge?

Asked by kajol devgan in TV & Radio at 4:02 PM on April 30, 2008

ruchi arora's Answer

Converts the impressions left in the surface of a vinyl record into an electrical signal by passing through the grooves left in the disc's surface.

Answered at 9:59 PM on April 30, 2008

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Rear Projection TV (set)

Asked by kajol devgan in TV & Radio at 4:04 PM on April 30, 2008

ruchi arora's Answer

"rear-projection" comes from the fact that the image is projected and reflected onto the screen from behind the screen, unlike traditional video and film projection in which the projector itself is placed in front of the screen, such as in a movie theater.

Answered at 9:55 PM on April 30, 2008

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What is Red Push ?

Asked by kajol devgan in TV & Radio at 4:04 PM on April 30, 2008

ruchi arora's Answer

Refers to the tendency of a television's color decoder to accentuate the color of red as compared to blue and green.

Answered at 9:54 PM on April 30, 2008

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What is THX --

Asked by kajol devgan in TV & Radio at 4:06 PM on April 30, 2008

ruchi arora's Answer

Specifications for motion picture sound systems and projection licensed by Lucasfilm Ltd.

Answered at 9:52 PM on April 30, 2008

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What is Television Line ?

Asked by kajol devgan in TV & Radio at 4:05 PM on April 30, 2008

ruchi arora's Answer

As a unit of measurement for resolution, "television lines" (in the plural), or TVL, refers to the maximum number of alternating black dots and intervening white spaces that can occur and be distinguished in a straight line whose length is equal to the diameter of the largest circle that fits in the screen or other area of reference.

Answered at 9:54 PM on April 30, 2008

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