Important File Extensions Questions and Answers

Answer: A

Correct answer: Word Perfect Document

WPD is the document format of WordPerfect, the word processor that dominated before Word. The extension is built from the product name.

Answer: D

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: A

Correct answer: .ico

.ico is the Windows icon format. A single .ico file can hold the same image at several sizes and colour depths, letting Windows pick whichever fits the place it is being drawn.

Answer: B

Correct answer: To save games

A .sav file holds a saved game - the state of play recorded so it can be resumed later. Word documents, films and Tally data all have extensions of their own.

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: A

Correct answer: .doc

.doc is the Word document format used up to Office 2003; from Office 2007 the default became .docx. .ppt belongs to PowerPoint and .xls to Excel.

Answer: D

Correct answer: .uue

.uue marks a uuencoded file - binary data converted to printable characters so it can travel through mail and news systems that carry only text.

Answer: B

Correct answer: .bin

.bin is the extension of a MacBinary II encoded file, which packs a Mac file's data fork, resource fork and metadata into a single stream for transfer over systems that know nothing of forks.

Answer: B

Correct answer: .zip

.zip is the standard compressed archive format, holding one or more files compressed together.

Answer: C

Correct answer: Backup file

.bak marks a backup copy, usually written automatically before a program overwrites the original. Renaming it back to the original extension is the normal way to recover the earlier version.