Sunday, October 16, 2011

DAILY TRIVIA # 509 Electronic Voting Machine

The following device is used to measure what?


4 comments:

  1. nielsen's method of tv program ratings

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  2. Nielsen's rating box used for measuring the audience size and type for a particular television show and determine its ratings.

    ReplyDelete
  3. nielsen ratings -- audience measurement system.

    ReplyDelete

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