file types

Question 1

.mp3

Answer 1

A lossy file type which is widely supported. Can be compressed to small sizes but does lose quality.

Question 2

.wav

Answer 2

High quality file types which are mostly used for Windows. They store uncompressed data so file sizes can be large

Question 3

.flac

Answer 3

Lossless file type meaning high quality audio but large file sizes

Question 4

.jpg

Answer 4

Versatile format that can be compressed but also saved at high resolution. Suitable for both web and print use. Very commonly used.

Question 5

.tif

Answer 5

Lossless so able to maintain very high resolutions. Perfect for printing. Very large file sizes thoug

Question 6

.png

Answer 6

Supports lossy compression so good for web use a s it has small file sizes. Also supports transparency so good for logos etc.

Question 7

.gif

Answer 7

Small file sizes and supports transparency. Limited colour palette so better for web buttons and logos.

Question 8

.mpeg

Answer 8

Usually denoted as .mp4, using the H.264 compression, these file types are widely accepted. They retain high quality for small file sizes. MPEG-4 H.264 are used for Blu-ray.

Question 9

.avi

Answer 9

An old format but very versatile and high quality. Large file sizes make it unsuitable for online and streaming.

Question 10

.mov

Answer 10

Developed by Apple to use with its Quicktime player. Therefore they lack compatibility. High quality but large file sizes

Question 11

.flv

Answer 11

Format for Adobe’s Flash player. Small file sizes so good for web use but more suited to animations.

Question 12

lossy definition

Answer 12

Lossy compression is a method of data compression in which the size of the file is reduced by eliminating data in the file. In doing so, image quality is sacrificed to decrease file size. Any data that the compression algorithm deems expendable is removed from the image, thereby reducing its size.

Question 13

lossless

Answer 13

having or involving no dissipation of electrical or electromagnetic energy.

Question 14

how many different audio files types are there

Answer 14

There are three major groups of audio file formats: Uncompressed audio formats, such as WAV, AIFF, AU or raw header-less PCM; Formats with lossless compression, such as FLAC, Monkey’s Audio (filename extension . ape ), WavPack (filename extension .

Question 15

how many different video file types are there

Answer 15

WEBM.
MPG, . MP2, . MPEG, . MPE, . MPV.
OGG.
MP4, . M4P, . M4V.
AVI, . WMV.
MOV, . QT.
FLV, . SWF.
AVCHD.  there are 17 different types of video file

Question 16

how many different image file types

Answer 16

5 Types
The 5 Types of Digital Image Files: TIFF, JPEG, GIF, PNG, and Raw Image Files, and When to Use Each One. There are 5 main formats in which to store images. Why would you choose one over another, and what are the differences? TIFF stands for Tagged Image File Format