Multiple choice

Parallel Adders are

  1. combinational logic circuits

  2. sequential logic circuits

  3. both (1) and (2)

  4. none of the above
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A Correct answer
Explanation

Parallel adders use combinational logic - they compute sums instantly based solely on current inputs without any memory elements. All full-adder circuits operate simultaneously on all bit positions, hence 'parallel'. Sequential circuits require memory and clock signals, which parallel adders do not use. They are purely feedforward logic networks.

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