In defining a member function, passing a reference is preferable to passing an object, because it reduces the function call's ____.

Match the audio formats with the descriptions

I. Audio Interchange File Format A. A format with small file size and high quality sound II. Audio B. A format supported by Windows computers III. MPEG Audio Layer-3 C. One of the oldest audio formats and is typically used on Unix IV. RealAudio D. An Apple format that is not cross-platform compatible V. Waveform E. Used for streaming audio What will be an ideal response?

A primary function of a SIM card is to

A) Display user information during a call B) Identify the subscriber to the phone network C) Track the power usage of the phone D) Control a cell phone's memory