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Date Submitted: 04/03/2011 02:16 AM
ICT not IT
• What is ICT?
Module 2
ICT - the basic technologies
– Information and Communications Technology
• Replaces IT
– Information Technology
• It is the hardware and software supporting IS
– IS = Information Systems
Module 2 Lotus InfoSys - Managing Information Systems Alasdair White Module 2 Lotus InfoSys - Managing Information Systems Alasdair White
Life-Cycle Phase Model
ICT = Enhanced Productivity
• Or does it? • Technology is only worth using if a productivity enhancement is obtained • Productivity usually drops but then rises as users become more skilled • ICT is not the answer to all the questions
©Alasdair White 2007
High
Performance
Lagging
Performance
Accelerating
Decelerating
Low Transforming
Module 2 Lotus InfoSys - Managing Information Systems Alasdair White Module 2
Performing
Lotus InfoSys - Managing Information Systems
Reforming
Alasdair White
1
Life-Cycle Phase Model
©Alasdair White 2007
Cumulative development effort
Hardware & Software
Performance
High
• Hardware
– Physical components such as CPU (central processing unit), specialist subPUs (graphics, video, audio et al), keyboards (and other input devices), monitors (and other output devices
Development Activity
Performance-Deficit Area Development activity not “rewarded” by performance
• Software
– The operating and application programs that make the hardware work
Transforming
Module 2
Low Performing
Lotus InfoSys - Managing Information Systems
Reforming
Alasdair White Module 2 Lotus InfoSys - Managing Information Systems Alasdair White
Selecting ICT
• Needs Analysis
– – – – – What do you want to do with the ICT? How do you want to use the ICT? Where do you want to use the ICT? Who is to use the ICT? How long is the ICT to be used each day?
Key Decision Criteria
• • • • • • Screen Size Processor architecture Processor speed Location of use (laptop or desktop) Keyboard ergonomics...