I know that $\overline{p + q}$ will result in the input to the logic gate being p, and q, and we can negate this by using an or gate, followed by a not gate, or we can just use a nor gate.
However, In my homework, I also encounter the same question with $(\overline{p + q)}$.
Which leads me to ask this question, does this expression mean something different
(e.g. negate $p$ and $q$ BEFORE passing it to the or gate, or is it exactly the same?)
Furthermore, if one had: $\overline{\overline{A}B}$, is it safe to assume that we would first negate the $A$, and then pass $\overline{A}$ and $B$ in to an and gate, followed by a not gate, or similarly passing $\overline{A}$ and $B$ in to a nand gate?
I know this is an elementary question - I'm just trying to completely understand the syntax as it will allow me to improve my understanding of this topic.
Thanks.