Q37,P2,J15. let P1 and P2 be two processes. R be the set of variables read from memory and W be the set of variables written to memory. For the concurrent execution of two process Pi and Pj which of the following condition is not true?

A) R(pi)^ W(Pj)=φ             B)W(pi)^ R(Pj)=φ             C) R(Pi)^R(Pj)=φ            D) W(Pi)^W(PJ)=φ

Answer  C.
Explanation.
Two process can read the data simultaneously.