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Introducing ICT systems
Information and communication technologies (ICTs) systems now dominate our everyday lives. This free course, Introducing ICT systems, will explain what constitutes such a system and how ICT systems work. You will also look at how ICT systems convey, store and manipulate data, and how they process data. Finally you will learn how these systems are used.
Course learning outcomes
After studying this course, you should be able to:
- understand the meaning of all the terms highlighted in the text
- demonstrate an awareness of the main processes in an ICT system (sending, receiving, storing, retrieving, manipulating, conveying)
- demonstrate an awareness of some of the hardware, software and communication components used in ICT systems
- use a system map or a block diagram to identify the components of an ICT system
- use the units for conveying data and those for storing data appropriately, including use of the prefixes kilo, mega and giga.
First Published: 09/08/2012
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- Learning outcomes
- 1 Describing an ICT system
- 2 Exploring systems
- 3 Communication systems
- 4 System components
- 5 The processes
- 6 Communication links
- 7 Describing an ICT system: conclusion
- 8 Computers
- 9 A stand-alone computer
- 10 Sending and receiving data
- 11 Manipulating data
- 12 Storing data
- 13 Different types of storage
- 14 Networked computers
- 15 Computers and communication systems working together
- 16 ICT systems in a supermarket
- 16.1 Introduction
- 16.2 Processes at the checkout
- 16.3 Networked computers in the supermarket checkout system
- 16.4 The network
- 16.5 The database server
- 16.6 Pricing and stock control
- 16.7 A loyalty card scheme
- 16.8 Linking data
- 16.9 Identity in an ICT system
- 17 Taking an overview of ICT systems
- 18 Electronic commerce
- 19 Conclusion
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About this free course
9 hours study
Level 1: Introductory
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