Question: tiw Q 4 . Consider 4 processes D , Q , R , S scheduled on a CPU as per RR algonithon with T Q

tiw
Q4. Consider 4 processes D,Q,R,S scheduled on a CPU as per RR algonithon with TQ=4 units. Processer anive in order P,Q,R,S all at time t=0. There is exactly one contersswitch from & to Q, exactly one context suitch from R to Q and exactly two content switches from Q to R. There is no context switch from & to P. Suitching to a ready process affer temmation of another process is also Considered a contere suitch.
 tiw Q4. Consider 4 processes D,Q,R,S scheduled on a CPU as

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