1.1.3(a): show understanding that sound(music), pictures, video, text and numbers are stored in different formats:

Sound:
MP3, WAV, AIFF, M4A

Pictures:
JPEG, GIF, TIFF, BMP

Video:

MP4, AVI, WebM, WMV

Text:

ASCII, TXT, RTF, DOC

Numbers:

Real, Integer(whole number), Currency, Date

Certain software uses different file formats

Certain file formats are better are different tasks