Asked by: Doly Tristany
technology and computing artificial intelligence

How many rows are in a truth table?

Last Updated: 18th April, 2021

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A truth table of N inputs contains 2N rows, one for each possible value of the inputs. Each row in a truth table is associated with a minterm that is TRUE for that row.

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Besides, how many rows are in a truth table with 4 variables?

sixteen rows

Secondly, how many rows should an AND gate have in the truth table? Any logic block with n inputs will have a row in its Karnaugh mapping (formal name for Truth Table) for every possible combination of input states. That is, it will have 2^n rows.

Secondly, how many rows are there in 3 input gate truth table?

There is always at least one output column (on the right side) that represents the result of all possible combinations of the inputs. For Example: In the following truth table there are 3 input columns, then we will have 23= 8 combinations (8 rows).

How many rows are there in a truth table with n propositional variables?

Note that a truth table for a function of N variables has 2^N rows.

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What is the relation between the number of rows and the number of variables?

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