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A programmable logic array (PLA) is shown in the figure.


The Boolean function F implemented is

  1. $\bar{P}\bar{Q}R+\bar{P}QR+P\bar{Q}\bar{R}$
  2. $(\bar{P}+\bar{Q}+R)(\bar{P}+Q+R)(P+\bar{Q}+\bar{R})$
  3. $\bar{P}\bar{Q}R+\bar{P}QR+P\bar{Q}R$
  4. $(\bar{P}+\bar{Q}+R)(\bar{P}+Q+R)(P+\bar{Q}+R)$







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