Which K-map is used to solve a half subtractor combination logic? Which K-map is used to solve a full subtractor combination logic?

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Understand the Problem

The question is asking which K-map is appropriate for solving the logic of half and full subtractors, which pertains to digital electronics.

Answer

2-variable K-map for half subtractor, 3-variable K-map for full subtractor.

The K-map used to solve a half subtractor combination logic is a 2-variable K-map. The K-map used to solve a full subtractor combination logic is a 3-variable K-map.

Answer for screen readers

The K-map used to solve a half subtractor combination logic is a 2-variable K-map. The K-map used to solve a full subtractor combination logic is a 3-variable K-map.

More Information

A half subtractor deals with two inputs, while a full subtractor involves a carry-in bit, thus requiring one more variable.

Tips

Confusing the number of inputs can lead to selecting the wrong K-map type.

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