GATEverse — GATE CSE previous year questions

Match all items in Group 1 with the correct options from those given in Group 2.

\begin{array}{|ll|ll|}\hline \rlap{\textbf{Group 1}} & & \rlap{\textbf{Group 2}} \\\hline \text{P.} & \text{Regular Expression} & \text{1.} & \text{Syntax analysis} \\\hline \text{Q.} & \text{Pushdown automata} & \text{2.}& \text{Code generation} \\\hline \text{R.}& \text{Dataflow analysis} & \text{3.} & \text{Lexical analysis} \\\hline \text{S.} & \text{Register allocation} &\text{4.} & \text{Code optimization} \\\hline \end{array}