0 votes 0 votes Digital Logic digital-logic boolean-algebra + – Hira Thakur asked Aug 12, 2017 • retagged Mar 14, 2019 by Naveen Kumar 3 Hira Thakur 270 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 0 votes 0 votes $Z= \overline{\overline{(P\bar Q)}.Q.\overline{QR}}$ $Z=\overline{\overline{P\bar Q}}+\bar Q+\overline{\overline{QR}}$ $Z=P\bar Q+\bar Q+QR$ $Z=\bar Q(1+P)+QR$ $Z=\bar Q+QR$ Apply distributive law: $Z=(Q+\bar Q)(\bar Q+R)$ $Z=(\bar Q+R)$ arch answered Aug 12, 2017 • edited Nov 11, 2022 by Hira Thakur arch comment Share Follow See all 0 reply Please log in or register to add a comment.