IT Unit 1 Digital Devices in IT Systems (part 2)

The interconnection via the Internet of computing devices embedded in everyday objects, enabling them to send and receive data.

• Internet of Things

• Internet of Stuff

• Network of Things

• Network of Stuff

Which of these devices might be considered to be a 'smart' device?

• Fitness tracker (e.g. Fitbit)

• Internet connected TV

• Mobile phone

• Router

Raw facts and figures that have not yet been processed or structured in any way.

• Data

• Information

Facts and figures that have been processed to give them more meaning.

• Data

• Information

Data capture can be...

• Manual

• Automatic

• Semi-automatic

• Hybrid

Examples of automatic data capture.

• Biometrics

• Speech recognition

• RFID

• Barcodes

• Surveys

Recognised data types

• Text

• Number

• Boolean

• Date/time

• Currency

Internal data source

• Data retrieved from inside the company to make decisions.

• Data retrieved from outside the company to make decisions.

• Any data that is used by the company.