documentclass[10pt,a4paper,oneside]{article}
usepackage[a4paper,left=0.9in,right=0.9in,top=1in,bottom=1in]{geometry}
usepackage{longtable}

renewcommand{familydefault}{sfdefault}

begin{document}

    scriptsize
    begin{minipage}[t]{0.5textwidth}
        begin{longtable}[t]{|p{1.0cm}|p{5.5cm}|}
            hline
            bf{Head 1} & textbf{Head 2} \hlinehline
            texttt{A} & Department
                begin{itemize} setlength{itemsep}{0pt}
                    item texttt{A} - Apple
                    item texttt{B} - Boy
                    item texttt{C} - Cat
                    item texttt{D} - Dog
                end{itemize}\
            texttt{E} &  Elephant \
            texttt{F} &  Fan \
            hline
        end{longtable}
    end{minipage}%

end{document}]