Laser printers and copiers use powdered ink called ________

When you pass an array or an individual array element of a reference type to a method, the called method receives ________. When you pass an individual element of a primitive type, the called method receives ________.

a. a copy of the element’s reference, a copy of the element’s reference b. a copy of the element’s value, a copy of the element’s reference c. a copy of the element’s value, a copy of the element’s value d. a copy of the element’s reference, a copy of the element’s value

If we post a program and try to construct a Turing machine to solve it but are not successful, does this prove that no Turing machine exists? If not, why would prove this?

Fill in the blank(s) with the appropriate word(s).