Suppose a combinational logic function has 5 inputs and 2 outputs. How many rows are needed in a complete truth table?
Question
Suppose a combinational logic function has 5 inputs and 2 outputs. How many rows are needed in a complete truth table?
Solution
A truth table for a combinational logic function is a table that lists all possible input combinations and their corresponding output values.
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The number of rows in a truth table is determined by the number of possible input combinations.
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For a binary system (like digital logic), each input can have 2 possible states: 0 or 1.
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If there are 5 inputs, then the number of possible combinations is 2^5.
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Therefore, a complete truth table for a combinational logic function with 5 inputs would need 32 rows.
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