CH 10

Question 1

Define systems development life cycle (SDLC). What are its 5 phases?

Answer 1

A series of well-defined phases performed in sequential order for developing a system or project.

5 phases include:

• planning
• requirements gathering and analysis
• design
• implementation
• maintenance

Question 2

What are 5 major dimensions of feasibility study?

Answer 2

• technical
• operational
• economic
• scheduling
• legal

Question 3

What are 3 examples of tools used in structured systems analysis and design (SSAD)?

Answer 3

• data flow diagram
• flowchart
• context diagram

Question 4

During the SDLC process, what is the output of the design phase?

Answer 4

A document with exact specifications for implementing the system. Including files and databases, forms and reports, documentation, procedures, hardware and software, networking components, and general system specifications.

Question 5

What are the 4 steps in the prototyping process?

Answer 5

• Define the initial requirements
• Develop the prototype
• Review and evaluate the prototype
• Revise the prototype

Question 6

What is parallel conversion?

Answer 6

The old and new systems run simultaneously for a short time to ensure the new system works correctly.

Question 7

What are 5 reasons that IT projects may fail?

Answer 7

• Missed deadlines
• Users’ needs that are not met
• Dissatisfied customers
• Lack of support from top management
• Exceeding the budget

Question 8

What is crowdsourcing? What are 2 advantages of crowdsourcing?

Answer 8

The process of outsourcing tasks that are traditionally performed by employees or contractors to a large group of people (a crowd) through an open call.

• less cost
• access to talents that an organization may not have.