Important File Extensions Questions and Answers

Answer: A

Correct answer: .yps

.yps is the data file Yahoo Messenger used for its stored profile and message information.

Answer: A

Correct answer: .db

.db is the generic database file extension, used by SQLite among others. The other three are not standard database extensions.

Answer: C

Correct answer: Photoshop Plug-in

.8bi is a Photoshop plug-in - the 8b prefix marks the family of Adobe plug-in types, and i denotes an import or filter plug-in. A Photoshop document is .psd.

Answer: B

Correct answer: Cascading Style Sheet

CSS stands for Cascading Style Sheets, the language that describes how HTML is presented. Cascading refers to the rule by which conflicting styles are resolved in order of precedence.

Answer: C

Correct answer: .wmv

.wmv is Windows Media Video, Microsoft's video format, matching .wma for audio.

Answer: C

Correct answer: .swf

.swf is the compiled Flash movie that a player runs; .fla is the editable source file it is built from.

Answer: C

Correct answer: .torrent

A .torrent file holds the metadata - file names, sizes, checksums and tracker address - that a BitTorrent client needs in order to find and verify the actual content.

Answer: B

Correct answer: .tmp

.tmp marks a temporary file, created by a program while it works and normally deleted afterwards.

Answer: C

Correct answer: .iso

An .iso file is a sector-by-sector image of an optical disc, named after the ISO 9660 file system standard for CD-ROMs.

Answer: D

Correct answer: .toast

.toast is the disc image format of Toast, the Mac disc-burning application, which is where the name comes from.