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Pages:
2 pages/≈550 words
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Level:
MLA
Subject:
Business & Marketing
Type:
Essay
Language:
English (U.S.)
Document:
MS Word
Date:
Total cost:
$ 8.64
Topic:
E-business Essay (Essay Sample)
Instructions:
1.How far should opt-in go? What should companies always use an ‘opt-in’ private policy for?
2.Getting value from e-government
Efforts by national governments to deliver e-government services for citizens represent a massive amount of public money, given the limited demand for these services. Should these services continue or be stopped?
3.Why is environmental scanning necessary?
4.What actions can e-commerce managers take to safeguard consumer privacy and security?
Content:
Chapter 12 Implementation and maintenance
Self-assessment questions
1. Summarize how the activities involved with implementation and maintenance relate to analysis and design activities in previous chapters.
Figure 12.1 on p. 471 explains this. For a prototyping approach, analysis precedes design which precedes implementation and maintenance. However, these are repeated consecutively in the iterative approach of prototyping.
2. What are the risks of launching a new e-commerce site if implementation is not conducted effectively?
ï‚·Low conversion rate to outcomes, high attrition rate (due to inadequate testing of design)
ï‚·Low repeat visits (due to inadequate testing of design)
ï‚·Data errors
ï‚·Errors and site downtime
ï‚·Security breaches.
3. Distinguish between static and dynamic content and methods of achieving them.
Static web content is a web page view that is identical every time it is loaded. Typically achieved through static HTML.
Dynamic web content is a web page view that that varies according to user preferences or environment constraints. Typically achieved through dynamic access of databases according to user requirements.
4. What are the objectives of testing? How do these relate to an e-commerce site?
ï‚·Identify errors in requirements analysis, e.g. poor interface design, wrong information or services available
ï‚·Identify technical errors (bugs), e.g. financial transactions.
5. Summarize the advantages and disadvantages of the different changeover methods.
Advantages and disadvantages of the different methods of implementation
MethodMain advantagesMain disadvantages1. Immediate cutover.
Straight from old system to new system on a single date.Rapid, lowest costHigh risk. Major disruption if serious errors with system2. Parallel running.
Old system and new system run side-by-side for a period.Lower risk than immediate cutoverSlower and higher cost than immediate cutover3. Phased implementation.
Different modules of the system are introduced sequentially.Good compromise between methods 1 and 2Difficult to achieve technically due to interdependencies between modules.4. Pilot system.
Trial implementation occurs before widespread deployment.Essential for multinational or national rolloutsHas to be used in combination with the other ...
Self-assessment questions
1. Summarize how the activities involved with implementation and maintenance relate to analysis and design activities in previous chapters.
Figure 12.1 on p. 471 explains this. For a prototyping approach, analysis precedes design which precedes implementation and maintenance. However, these are repeated consecutively in the iterative approach of prototyping.
2. What are the risks of launching a new e-commerce site if implementation is not conducted effectively?
ï‚·Low conversion rate to outcomes, high attrition rate (due to inadequate testing of design)
ï‚·Low repeat visits (due to inadequate testing of design)
ï‚·Data errors
ï‚·Errors and site downtime
ï‚·Security breaches.
3. Distinguish between static and dynamic content and methods of achieving them.
Static web content is a web page view that is identical every time it is loaded. Typically achieved through static HTML.
Dynamic web content is a web page view that that varies according to user preferences or environment constraints. Typically achieved through dynamic access of databases according to user requirements.
4. What are the objectives of testing? How do these relate to an e-commerce site?
ï‚·Identify errors in requirements analysis, e.g. poor interface design, wrong information or services available
ï‚·Identify technical errors (bugs), e.g. financial transactions.
5. Summarize the advantages and disadvantages of the different changeover methods.
Advantages and disadvantages of the different methods of implementation
MethodMain advantagesMain disadvantages1. Immediate cutover.
Straight from old system to new system on a single date.Rapid, lowest costHigh risk. Major disruption if serious errors with system2. Parallel running.
Old system and new system run side-by-side for a period.Lower risk than immediate cutoverSlower and higher cost than immediate cutover3. Phased implementation.
Different modules of the system are introduced sequentially.Good compromise between methods 1 and 2Difficult to achieve technically due to interdependencies between modules.4. Pilot system.
Trial implementation occurs before widespread deployment.Essential for multinational or national rolloutsHas to be used in combination with the other ...
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