The boolean function for a combinational circuit with four inputs is…
GATE · 2006 · IT
The boolean function for a combinational circuit with four inputs is represented by the following Karnaugh map.

Which of the product terms given below is an essential prime implicant of the function?
- A.
QRS
- B.
PQS
- C.
PQ'S'
- D.
Q'S'
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