Information Systems - key concepts

The following are key concepts in the subject of Information Systems:


* Intranet/ extranet
* IT project evaluation methods, notabley on Financial methods, e.g. NPV calculation; steps involved in IT evaluation
* Using pilot site in IT project; on pilot experiment
* Benefit-dependency network (pdf doc)
* "Invest first, analyze later" approach
* Project risks; project risk management
* Agile approach in IT/IS projects
* Software prototyping
* Time-boxing
*
JAD
* Project management, e.g. activity-on=node diagrams, critical path analysis
* Security concerns in IS development, e.g. data reliability and integrity, physical security.; security consideratins in SDLC
* IT outsourcing
* Business Process Re-engineering
* IT governance; IT governance



* Software design usability


Reference: IS subject syllabus

Related FB notes



Class exercise on Project Management:

ABC company has decided that it needs a new logistics system and that an off-the shelf package is the best solution. The main tasks have been identified and duration assessed as follows:

A Draw up a functional requirements specification 3 weeks
B Consider various relevant software packages and select one 3 weeks
C Identify and specify the necessary hardware and communications equipment 2 weeks
D Order the hardware 1 week
E Identify the key package modifications needed to meet the functionality required 2 weeks
F Modify the software package as necessary 8 weeks
G Accept delivery and install all hardware and equipment needed for the package 13 weeks
H Design a training plan 2 weeks
I Set up a testing plan 3 weeks
J Unit test all the amended package modules 4 weeks
K Train the endusers 2 weeks
L Full systems and acceptance testing 3 weeks
M Implement the new system 1 week

B cannot start until A is completed
C, E, H and I cannot start until B is completed
D cannot start until C is completed
F cannot start until E is completed
G cannot start until D is completed
J cannot start until F, and G are completed
K cannot start until H is completed
L cannot start until K is completed
M cannot start until L is completed

Draw an activity-on-node diagram for these 13 project tasks (A to M). Calculate and display on the diagram, with a node layout key, the earliest and latest start and finish times and float of each task.

Comments

Popular posts from this blog

Mind mapping the topic of gender

MBA Research Project [MGTM05] class [topup 65/project only 66/Full 19]: 2025-26

MBA Research Project [MGTM05] class [topup 66/project only 67/Full 20], Jan 2026-June 2026