We wish to keep track of the last ten flights that leave a gate of an airport. We make a FlightHistory class with an array that can store ten flight numbers. Since many more than ten flights will eventually leave the gate, to keep track of the last ten flights, we should use a:

In 1976, Whitfield Diffie and Martin Hellman, researchers at Stanford University, developed_______ to solve the problem of exchanging keys securely.

a) public-key cryptography. b) symmetric-key cryptography. c) private-key cryptography. d) None of the above.

A function ________ eliminates the need to place the function definition before all calls to the function.

A) header B) prototype C) argument D) parameter E) that is void