My task is to fill in this table the output Q by analysing following circuit [![enter image description here][1]][1] My suggestion would be: [![enter image description here][2]][2] Would that idea be right? [1]: https://i.sstatic.net/AWBIn.png [2]: https://i.sstatic.net/z546A.png in the digital electronics means: S=1 => Q=1 and R=1 => Q=0 Edit: My question is different from the possible duplicate because I should work here with the previous Q (previous stored data).