engineering recuitment BHEL Engineer Trainee Mock Test 2025 Digital Electronics Logic Gates and Boolean Algebra
If the Boolean expression \(\bar PQ+QR+PR\) is minimized, the expression becomes
1
\({\rm{\bar PQ}} + {\rm{QR}}\)
2
\({\rm{\bar PQ}} + {\rm{PR}}\)
3
\({\rm{QR}} + {\rm{PR}}\)
4
\({\rm{\bar PQ}} + {\rm{PR}} + {\rm{QR}}\)