P4 Describe the features and functions of information systems
Task 1
Describe the following:
Features:
• Data
• People
• Hardware
• Software
• Telecommunications
Functions:
• Input
• Storage
• Processing
• Output
• Control and feedback loops
• Closed and open systems
edexcel btec level 3 national extended diploma in it
edexcel btec level 3 national extended diploma in it unit 03 information systems
unit 03 information systems
features and functions of information
Written for
BTEC
Pearson (PEARSON)
Information Technology 2010 QCF
Unit 3 - Information Systems
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| 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
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