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Module 5. Digital techniques / Electronic instrument systems

What does 1 represent in an analogue system?

  • Switches open, demagnetised
  • Switches closed, magnetised
  • Switches open, unmagnetised

Explanation

A logic 1 is the active or true state, represented physically by a closed switch (current flowing) or a magnetised core in storage. The marked answer captures this; an open or demagnetised state represents logic 0.

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