Topic 1 System fundamentals Flashcards

1
Q

Purpose of a new system (4)

A

Increased productivity

Increase quality of the outputs

minimise costs

reduce the flaws of the existing one

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2
Q

Potential organisational issues of a new system (4)

A

Like of guiding organisational and business strategies

lack of stakeholder and end-user participation

lack of end user’s ownership of the system

lack of attention to required training

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3
Q

What is a feasibility report

A

used to decide whether the proposed project should be pursued

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4
Q

What criteria does the feasibility report use (5)

A

Technical

Economic - is the proposed system cost effective

Legal - Any conflict between proposed system and laws

Operational feasibility - Are the existing organisational practices and procedures sufficient to support the maintenance and operation of the new system

Schedule - how long will we wait for the new system

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5
Q

Define change management

A

Involves various parameters and is a process of shifting individuals, teams, departments and organisations from the present state to a desired state

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6
Q

What does a successful change management show

A

all stakeholders accept and embrace changes in their working environment

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7
Q

Define legacy system

A

an old technology (hardware, computer system) that still play an important role in an organisation

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8
Q

Why might a legacy system still be in use? (2)

A

Its data cannot be converted to newer formats, or its application cannot be upgraded

A legacy system play an important role to the organisation

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9
Q

What is a business merger

A

combining of two or more business entities

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10
Q

What is the main reason for a business merger

A

reduce cost

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11
Q

Four key strategies for business integration (4)

A

keep both information systems and develop them to have the same functionality

Replace both information systems with a new one

Select the best part of information systems from each company and combine them

Select one company’s information system and drop the other

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12
Q

Define software incompatibility

A

Situation where different software entities or systems cannot operate on the same computer, or on computers linked by a computer network

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13
Q

What are the two types of system implementation

A

locally hosted system - installed on the client’s infrastructure

remote hosted system - hosted by company that provides service

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14
Q

When is a locally hosted system most appropriate

A

companies that are large and have complex systems

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15
Q

When is a remote hosted system most appropriate (2)

A

when there is no hardware equipment in place

company wants to outsource responsibilities for:
- maintenance
- support
- backup
- security

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16
Q

Define SaaS (Software as a service)

A

Delivery method that allows software and data to be hosted and managed centrally on a remote data centre

17
Q

Explain SaaS (exclude definition) (2)

A

Users pay to access the services provided on a subscription basis

resides in cloud and need a web browser and internet connection to be accessed

18
Q

Advantages of SaaS (3)

A

less expensive because it has a low initial cost and requires few investments in instalments

provides a scalable solution, since a company only has to adjust its monthly SaaS subscription required

considered a safe solution because data reside in the cloud service of the provider

19
Q

Define a changeover

A

Process of putting the new system online and retiring the old one

20
Q

Why do organisations choose one implementation method in favour of another

A

trade-off between costs and risks

21
Q
A