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Topic 1: System Fundamentals
1.1.1 Reasons for a New System
The Old System is inefficient
The Old System is no longer suitable for its original purpose or is outdated
to increase productivity, efficiency and quality of output
to decrease system flaws and minimise costs
To decide if a System update is worth pursuing:
compatibility between Old and New system
strategies for Merging Systems
data migration
hosting systems
installation processes
Features which need to be considered when planning a new system:
roles and activities of users
resources
costs/budget limits
delivery time
compatibility with the old system
Topic 1: System Fundamentals 1
, TELOS - a feasibility report which evaluates and analyses a project and its potential
T: Technological
Is the existing technology sufficient to implement the proposed system?
Feasibility
E: Economic
Is the proposed system cost efficient?
Feasibility
L: Legal
Are there any conflicts between the proposed system and any regulations?
Feasibility
O: Operational Are there existing organizational practices and procedures sufficient to
Feasibility support the maintenance and operation of a new system?
S: Scheduling
How long will it take to implement?
Feasibility
1.1.2 Change Management
Management of people, department and organizations from one state of a previous
system into the desired new system.
Issues with Change Management:
workforce issues such as redundancy/retraining
time frame involved in merging the two systems
testing of the combined systems/new data
data entry if migration is not possible
costs involved in the aligning of the two systems
changeover decisions such as parallel running, etc.
1.1.3 Compatibility Issues
Business Mergers: when two businesses combine, it is important to ensure their
operational systems are compatible
Issues with Merging Businesses:
Language Differences
Topic 1: System Fundamentals 2
, Software Incompatibility
Legacy Systems
Issues with maintaining a Legacy System:
expensive to change(disorganized programs/missing documentation)
compatibility issues
difficult to recruit staff/programmers familiar with the old languages/OS
require an interface program to interact with the system
Strategies for Merging:
keep both systems and develop them to have the same functionality
high maintenance cost
consideration of the time frame this will take place within
replace both systems with a New System
high initial cost
some employees will be fired or retrained
combine the best systems from both companies
difficult for employees to work with different systems
requires testing
only use one system
policy and employee issues
1.1.4 Locally vs. Remotely Hosted Systems
Locally Hosted System: Software installed and operated on the clients own hardware
Reasons For: Reasons Against:
Topic 1: System Fundamentals 3
Topic 1: System Fundamentals
1.1.1 Reasons for a New System
The Old System is inefficient
The Old System is no longer suitable for its original purpose or is outdated
to increase productivity, efficiency and quality of output
to decrease system flaws and minimise costs
To decide if a System update is worth pursuing:
compatibility between Old and New system
strategies for Merging Systems
data migration
hosting systems
installation processes
Features which need to be considered when planning a new system:
roles and activities of users
resources
costs/budget limits
delivery time
compatibility with the old system
Topic 1: System Fundamentals 1
, TELOS - a feasibility report which evaluates and analyses a project and its potential
T: Technological
Is the existing technology sufficient to implement the proposed system?
Feasibility
E: Economic
Is the proposed system cost efficient?
Feasibility
L: Legal
Are there any conflicts between the proposed system and any regulations?
Feasibility
O: Operational Are there existing organizational practices and procedures sufficient to
Feasibility support the maintenance and operation of a new system?
S: Scheduling
How long will it take to implement?
Feasibility
1.1.2 Change Management
Management of people, department and organizations from one state of a previous
system into the desired new system.
Issues with Change Management:
workforce issues such as redundancy/retraining
time frame involved in merging the two systems
testing of the combined systems/new data
data entry if migration is not possible
costs involved in the aligning of the two systems
changeover decisions such as parallel running, etc.
1.1.3 Compatibility Issues
Business Mergers: when two businesses combine, it is important to ensure their
operational systems are compatible
Issues with Merging Businesses:
Language Differences
Topic 1: System Fundamentals 2
, Software Incompatibility
Legacy Systems
Issues with maintaining a Legacy System:
expensive to change(disorganized programs/missing documentation)
compatibility issues
difficult to recruit staff/programmers familiar with the old languages/OS
require an interface program to interact with the system
Strategies for Merging:
keep both systems and develop them to have the same functionality
high maintenance cost
consideration of the time frame this will take place within
replace both systems with a New System
high initial cost
some employees will be fired or retrained
combine the best systems from both companies
difficult for employees to work with different systems
requires testing
only use one system
policy and employee issues
1.1.4 Locally vs. Remotely Hosted Systems
Locally Hosted System: Software installed and operated on the clients own hardware
Reasons For: Reasons Against:
Topic 1: System Fundamentals 3
