Multiple choice general knowledge science & technology

What is the number of read-write heads in the drive for a 9-trac magnetic tape?

  1. 9

  2. 6

  3. 5

  4. 7
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A Correct answer
Explanation

A 9-track magnetic tape drive uses 9 parallel tracks, requiring one read-write head per track to access all tracks simultaneously. This is a standard design where the number of heads equals the number of tracks for efficient parallel reading and writing.

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