Data Storage

A. show understanding that sound (music), pictures, video, text and numbers are stored in different formats

• • Binary Representation of Text

  • Binary Representation of Images and Sound

  • Common File Types

B. identify and describe methods of error detection and correction, such as parity checks, check digits, checksums and Automatic Repeat reQuests (ARQ)

• • ARQ

C. show understanding of the concept of Musical Instrument Digital Interface (MIDI) files, jpeg files, MP3 and MP4 files

D. show understanding of the principles of data compression (lossless and lossy compression algorithms) applied to music/video, photos and text file

• • Lossy and lossless compression

ZAK Notes