Chapter 21 (612-619)

Question 1

Canned Software

Answer 1

software sold to users with similar requirements.

Question 2

Turnkey Systems

Answer 2

software and hardware sold as a package. The vendor installs the system and the user “turns on the key”

Question 3

Application Service Providers (ASPs)

Answer 3

Companies rent software and they deliver software over the internet. This provides scalability as the business grows and global access to information. It automates software upgrades, allows companies to focus on core financial competencies rather than information technology issues, and can reduce software costs and administrative overhead

Question 4

companies that buy AIS software follow SDLC except for:

Answer 4

1. during conceptual systems design, companies determine whether software that meets AIS requirements is available, and if so, whether to buy it or create their own.
2. Some physical design and implementation and conversion steps can be omitted.

Question 5

Request for Proposal (RFP)

Answer 5

companies that buy large or complex systems send vendors this asking them to propose a system that meets their needs by a specified date

Question 6

4 reasons why RFP are important.

Answer 6

1. Saves time
2. simplifies the decision making process
3. reduces errors
4. avoids potential for disagreement

Question 7

benchmark Problem

Answer 7

an input, processing, and output task typical of what the new AIS will perform

Question 8

point scoring

Answer 8

assigns a weight to each evaluation criterion based on importance, for each criterion, vendors are scored based on how well their proposals meet thee requirements, and the weighted score totals are compared

Question 9

Requirement costing

Answer 9

estimates the cost of purchasing or developing unavailable features.

Question 10

Custom Software

Answer 10

developed by organizations when doing so provides a significant competitive advantage.

Question 11

End-User Computing (EUC)

Answer 11

the hands on development, use and control of computer based information by users.

Question 12

Advantages to End-User Computing

Answer 12

1. User creation, control, and implementation
2. systems that meet user needs
3. timeliness
4. freeing up of systems resources
5. versatility and ease of use

Question 13

Disadvantages of End-User Computing

Answer 13

1. Logic and development errors
2. Inadequately tested applications
3. Ineffcient systems
4. poorly controlled and documented systems
5. system incompatibilities
6. duplication of systems and data; wasted resources
7. Increased costs.

Question 14

Help desk

Answer 14

supports and controls end-user activities