Static RAMs $($Random Access Memories$)$ and DRAMs $($Dynamic RAMs$)$ are common storage devices used in Computers. They are made of rows of cells that can be read and

written into. When you access a particular register, only one row can be read or written from$/$to at a time. What digital circuit is commonly used to select one such row from a

memory array.

a program counter

an adder

an encoder

A multiplexer

A decoder