Multiple choice

The number of columns in a state table for a sequential circuit with m flip-fops and n inputs is

  1. m + n

  2. m + 2n

  3. 2m + n

  4. 2m + 2n
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C Correct answer
Explanation

A state table for a sequential circuit has columns for present state (m flip-flops), inputs (n inputs), and next state (m flip-flops). The total is m + n + m = 2m + n columns. Each flip-flop contributes two columns - one for its present state and one for its next state.

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