Define the following variables:

$$ myByteVar$1$: A byte sized variable with the initial value of $42.$

$$ myWordVar$2$: A word$-$sized variable with the initial value of $1234.$

$$ myDwordVar$3$: A doubleword$-$sized variable with the initial value of $56789$h $($in hexadecimal$).$

$$ myString$4$: A string variable with the value "Hello, World!".

$$ myDwordVar$4$: A doubleword$-$sized variable without initializing.