Managing of Information System

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...