GATE EC 2004 Set 1 Q16 — Sequential Circuits

Choose the correct one from among the alternatives $\text{A, B, C, D}$ after matching an item from Group $1$ with the most appropriate item in Group $2.$

$$\begin{array}{|l|l|} \hline \textbf{Group 1} & \textbf{Group 2} \\ \hline \text{P : Shift register} & \text{1 : Frequency division} \\ \text{Q : Counter} & \text{2 : Addressing in memory chips} \\ \text{R : Decoder} & \text{3 : Serial to parallel data conversion} \\ \hline \end{array}$$