Important File Extensions Questions and Answers

Answer: C

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: .rpm

.rpm stands for RPM Package Manager, originally Red Hat Package Manager. It carries software for RPM-based distributions such as Red Hat, Fedora and SUSE, in the way that .deb serves Debian and Ubuntu.

Answer: C

Correct answer: .vcf

.vcf is a vCard file, the standard format for exchanging contact details. Phones and mail clients use it to export and import an address book, which is why a contact shared over email arrives as one.

Answer: C

Correct answer: Apple QuickTime Movie

.qt is a QuickTime movie, Apple's multimedia container format.

Answer: B

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: Norton Ghost Backup File

.gho is the disk image file written by Norton Ghost; the extension is the first three letters of the product name.

Answer: D

Correct answer: .md

.md is a Markdown file: plain text with a light syntax for headings, lists and links that converts cleanly to HTML. README files in software projects are conventionally written in it.

Answer: B

Correct answer: .epub

.epub stands for Electronic Publication, the open standard of the International Digital Publishing Forum. Its text reflows to fit the screen, which is what distinguishes it from a fixed-layout PDF.

Answer: D

Correct answer: Excel Add-In File

.xll is an Excel add-in written as a dynamic link library - the second l reflects that. Ordinary macro add-ins use .xla or .xlam.

Answer: D

Correct answer: .php

PHP originally stood for Personal Home Page and now for PHP: Hypertext Preprocessor; its files take .php.