Law enforcement communications have been revolutionized by the development and refinement of the

Answer the following statements true (T) or false (F)

1) Only member functions can be virtual. 2) Destructors are automatically virtual. 3) A the binding of virtual function is done at runtime if called using an object. 4) Upcasting causes no problems: 5) Downcasting causes the slicing problem.

_________ refer to common two-letter combinations in the English language.

A) Streamings B) Transpositions C) Digrams D) Polyalphabetic ciphers