Media Types

Question 1

What is lossless compression?

Answer 1

A form of compression which reduces file but does not remove any data

Question 2

What is a GIF?

Answer 2

An image format which can display 256 colours and handle transparency

Question 3

Which standard photo format is commonly used in printing?

Answer 3

TIFF

Question 4

Which standard photo format is used in digital cameras and online pictures?

Answer 4

JPEG

Question 5

What is a PNG?

Answer 5

A photo format which has 32 bit Colour depth and varying levels of transparency

Question 6

Why is WAV unsuitable for portable music players?

Answer 6

The files created would be too large

Question 7

By how much does the MP3 file format compress a WAV file?

Answer 7

1:12

Eg 36MB WAV file would be reduced to 3MB if converted to MP3

Question 8

What does FLAC stand for?

Answer 8

Free Lossless Audio Codec

Question 9

MPEG-2 is the

Answer 9

Standard file format for DVDs

Question 10

What is unique about AVI?

Answer 10

It is the only commonly used video format which is uncompressed

Question 11

What is Lossy compression?

Answer 11

Compression which reduces file size by removing data