a$.$ The program should have at least $4$ menu options entries of a value up to $32$ bits in size: $(1)$

Decimal, $(2)$ Hexadecimal, $(3)$ Binary, $(4)$ Exit. If an invalid menu option is chosen the program

should display an error message and offer the option to re$-$enter.

b$.$ Depending on the choice, the program displays the value entered and then converts the value to the

other two bases, with the decimal conversion results including the sign

c$.$ If an invalid entry is provided for the chosen base, the program should display an error message

and offer the user the option to re$-$enter the value.

d$.$ After each conversion the program should offer the menu again, until such a time as the Exit

option is chosen.