GIF supports a palette of up to ____ colors.

__________ prevents either sender or receiver from denying a transmitted message. Thus, when a message is sent, the receiver can prove that the alleged sender in fact sent the message and when a message is received, the sender can prove that the alleged receiver in fact received the message.

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

What variables are local to the Add Numbers function?

```int AddNumbers( int x, int y) { int z; z = x + y; return z; }``` A. x B. y C. x & y D. x, y & z