Multiple choice

Card reader is an _____ device while card is an _________ device

  1. input, output

  2. input, input

  3. output, output

  4. output, input
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A card reader is an input device that reads data from punched cards. The card itself is the storage medium that holds the data and functions as output when created by a keypunch machine. In conventional computer architecture terminology, readers are input devices.

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