Important File Extensions Questions and Answers

Answer: C

Correct answer: .tmp

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

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: C

Correct answer: .cab

A .cab file is a Windows Cabinet archive, used by installers to hold compressed files.

Answer: D

Correct answer: Picture File

.pct is a PICT file, the Macintosh picture format that could hold both bitmap and vector data.

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.

Answer: B

Correct answer: .sys

.sys marks a system file, typically a device driver or a component the operating system loads at startup.

Answer: A

Correct answer: DOS Batch File

A .bat file is a batch file: a plain text list of DOS commands run in sequence. The DOS command executable is .com.

Answer: D

Correct answer: .mkv

.mkv is the Matroska video container. It is a container rather than a codec, so one file can carry video, several audio tracks and subtitles together, whatever formats those are encoded in.

Answer: D

Correct answer: Multiple Network Graphic

MNG stands for Multiple-image Network Graphics. It is the animated counterpart of PNG, standing to it roughly as animated GIF stands to GIF.

Answer: C

Correct answer: Portable Document Format

PDF stands for Portable Document Format, Adobe's format for documents that look the same on every machine because the file carries its own fonts and layout.