4. [2 points] Multiple Choices: Circle all that apply. I. When you work with a dereferenced pointer, you are actually working with: a variable whose memory has been deallocated a copy of the value pointed to by the pointer variable the actual value of the variable whose address is stored in the pointer variable a. b. c. I Every byte in the computer's memory is assigned a unique a. Pointer b. Address c. Dynamic allocation d. Name