Obtain Binary String ???? 1. The problem statement, all variables and given/known data Given That X=10111 ,Y=101; Z=1001, obtain binary strings that represent P Q where P=X+Y and Q=P-Z; state clearly each rule you apply . 2. Relevant equations 3. The attempt at a solution Hey up to the extent which i know i did this as a normal binary addition and subtractions >then i got P=10010 and Q=1001 .But the problem is im not sure that i have used any kind of rules here. or Have I ?? Or did i made a mistake in interpreting the problem .Can somebody help . this is all u got for that question ,i have included all the details.