Playing a Video or Audio File on a Computer Has

question 66

Multiple Choice

Playing a video or audio file on a computer has traditionally required a program, known as a helper program or a ____, that can both unpack the relevant container and decode the video and audio streams.

• A) plugin
• B) container
• C) codec
• D) stream

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Definitions:

Like Charges

Charges that are the same (either both positive or both negative) and repel each other according to Coulomb's law.

Opposite Charges

Charges that have different electrical signs, one positive and one negative, which attract each other.

Valence Shell

The outermost shell of an atom that contains the electrons most involved in chemical reactions.

Atom

The smallest unit of a chemical element, consisting of a nucleus of protons and neutrons, surrounded by electrons.