1523723
Beschreibung
Mindmap von Sarah AlNofal, aktualisiert more than 1 year ago
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Erstellt von Sarah AlNofal
vor mehr als 9 Jahre
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The Origins of Software
- Outsourcing: Turning over responsibility of
some or all of an organization's information
systems applications and operations to an
outside firm
- Reasons to outsource
- 1- Cost-effective 2- Take advantage of economies of
scale 3- Free up internal resources 4- Reduce time to
market 5- Increase process efficiencies 6- System
development is a non-core activity for the organization
- 1- Cost-effective 2- Take advantage of economies of
scale 3- Free up internal resources 4- Reduce time to
market 5- Increase process efficiencies 6- System
development is a non-core activity for the organization
- Reasons to outsource
- Sources of Software
- 1- Information technology services firm
- 2- Packaged software producers
- 3- Enterprise-wide solutions
- 4- Application service providers (ASPs)
- 5- Open source software
- 6- In-house developers
- 1- Information technology services firm
- How to Selecting Off-the-Shelf Software?
- The select depend on 8 criterias :
- 1- cost
- 2- Functionality
- 3-Vendor support
- 4- Viability of vendor
- 5- Flexibility
- 6- Documentation
- 7-Response time
- 8-Ease of installation
- 1- cost
- The select depend on 8 criterias :
- Validating Purchased Software Information
- Use a variety of information sources: 1- Collect information from
vendor 2-Software documentation 3-Technical marketing
literature
- Use a variety of information sources: 1- Collect information from
vendor 2-Software documentation 3-Technical marketing
literature
- Request For Proposal (RFP)
- is a document provided to vendors to ask them to
propose hardware and system software that will
meet the requirements of a new system.Sometimes
called a Request For Quote (RFQ)
- Information Sources For RFP
- 1-Vendor’s proposal 2- Running software
through a series of tests 3- Feedback from
other users of the vendor’s product
4-Independent software testing services 5-
Articles in trade publications
- 1-Vendor’s proposal 2- Running software
through a series of tests 3- Feedback from
other users of the vendor’s product
4-Independent software testing services 5-
Articles in trade publications
- is a document provided to vendors to ask them to
propose hardware and system software that will
meet the requirements of a new system.Sometimes
called a Request For Quote (RFQ)
- Reuse
- The use of previously written software
resources, especially objects and
components, in new applications
- it is applied to two different development
technologies: 1-Object-oriented development
2- Component-based development
- Approaches to Reuse
- 1- A-d hoc
- 2- Facilitated
- 3- Managed
- 4- Designed
- 1- A-d hoc
- The use of previously written software
resources, especially objects and
components, in new applications
- By : Sarah AlNofal
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