F

Fast Streaming

A method of delivering content that combines downloading and streaming to use the available network bandwidth in the most effective manner.

file format

The structure or organization of data in a file. File format is usually indicated by the file name extension.

file name extension

A set of characters added to the end of a file name that identifies the file type or format.

file type

A description of the content or format of a file. File type is usually indicated by the file name extension.

firewall

A combination of hardware and software that enforces a boundary between two or more networks and prevents unauthorized access to a private network.

frame

One of many sequential images that make up video.

frame rate

The number of video frames displayed per second. Higher frame rates generally produce smoother movement in the picture.