| UNIT 3: PART 2
Features and functions of
information systems
Table of Contents
Features ........................................................................................................................................................ 2
Data ........................................................................................................................................................... 2
People ....................................................................................................................................................... 2
Hardware .................................................................................................................................................. 2
Software .................................................................................................................................................... 2
Telecommunications ............................................................................................................................... 2
Functions ....................................................................................................................................................... 3
Input ........................................................................................................................................................... 3
Storage ...................................................................................................................................................... 3
Processing ................................................................................................................................................. 3
Output ....................................................................................................................................................... 3
Control and feedback loops .................................................................................................................. 4
Closed and open systems....................................................................................................................... 4
1
Features and functions of
information systems
Table of Contents
Features ........................................................................................................................................................ 2
Data ........................................................................................................................................................... 2
People ....................................................................................................................................................... 2
Hardware .................................................................................................................................................. 2
Software .................................................................................................................................................... 2
Telecommunications ............................................................................................................................... 2
Functions ....................................................................................................................................................... 3
Input ........................................................................................................................................................... 3
Storage ...................................................................................................................................................... 3
Processing ................................................................................................................................................. 3
Output ....................................................................................................................................................... 3
Control and feedback loops .................................................................................................................. 4
Closed and open systems....................................................................................................................... 4
1
