Second Semester – Grade 8 Revision Sheet

Which one of the following is compressed file format:

• bmp

• avi

• jpg

Mp3 is _______

• Compressed audio format

• Uncompressed audio format

Which one will take the biggest file when recording?

• Avi

• Mp4

• 3gp

Animated image .....

• Jpg

• Gif

• BMP

Uncompressed image format

• Jpg

• Gif

• BMP

Why do we prefer mp4 more than avi file format?

• Because it's compressed.

• Because it's uncompressed.

• Because we do not have to pay.

Wav file are not prefered nowadays, why?

• Because it's compressed.

• Because it's uncompressed.

• Because we do not have to pay.

Compression used in multimedia

• Lossy compression

• Lossless compression

Winrar uses _________

• Lossy compression

• Lossless compression

WHEN TO USE LOSSLESS COMPRESSION?

• Files

• Audio

• Video