Beginner of FPGA.
I am creating a simple circuit using VHDL.
It ’s a simple question,
What is the best way to convert a digitally input 2bit signal to 16bits?
The input data type is std_logic_vector (1 downto 0), but I want to convert it to std_logic_vector (15 downto 0).

I'm sorry for the rudimentary, but please teach me.