_____ is a delivery method that plays music or displays video in real time as it arrives from the Web to your computer.

Default passwords pose unique vulnerabilities because they are widely known among system attackers but are a necessary tool for vendors.

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

A(n) ____ is what sees and interacts with while using a program.

A. operating environment B. interface environment C. user interface D. user environment