std: :cout $$ "Practice Menu $\frac{?}{?}\frac{?}{?}$

$"$

$"1.$ convert unsigned decimal numbers to binary numbers $(8$ bits$)"$ endl

$"2.$ convert unsigned binary numbers to decimal numbers" $$ endi

$"3.$ convert unsigned decimal numbers to octal numbers" $$s endl

$"4.$ convert unsigned octal numbers to decimal numbers" $$ endi

$"5.$ convert unsigned decimal numbers to hexdecimal numbers" $$ endl

$"6.$ convert unsigned hexdecimal numbers to decimal numbers" $$ endi

$"7.$ convert signed decimal numbers to sign $-$ magnitude binary numbers" $$ end

$"8.$ convert signed decimal numbers to $1\text{'}$s complementary binary numbers" $$ endi

$"9.$ convert signed decimal numbers to $2\text{'}$s complementary binary numbers" $$ endi

$"10.$ convert sign $-$ maInitude binary numbers to decimal numbers" $$ endi

$"11.$ convert $1\text{'}$s complementary binary numbers to decimal numbers" $$ end$1$

$"12.$ Convert $2\text{'}$s complementary binary numbers to decimal numbers" $$ end

$"13.1\text{'}$s complement arithmetic operation" $$ end$1$

$"14.2\text{'}$s complement arithmetic operation" $$ end$1$ end$1$;

if $($name$.$length $()==0)$