Data

Information

Knowledge

Range Check

Format Check

Presence check

Check digit

Pay-to-View

Shopping

Betting

Dating

Voting

Input

Storage

Output

Broadband

Satellite

Mobile

Dial-up

Cable

Wireless

Bluetooth

GIS (Geographical Information Systems)

Paper-based

Keyboard Entry

Optical Mark Recognition

Smart Cards

Magnetic Strip Cards

Biometric

Online tutorials

Virtual Learning Environment

Online assesments

Microphone