Multiple choice general knowledge

The first electronic measurement device that was attached to the television set, which measures channel, time and duration of tuning.

  1. Mark II

  2. Audimeter

  3. AP Meter

  4. LPM
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Audimeter was the pioneering electronic device developed by Nielsen to attach to television sets. It automatically recorded which channels were watched, when, and for how long, revolutionizing television ratings measurement in the 1950s and replacing manual diary methods.

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