Câu 61 - 90

Walmart's continuous replenishment system is an example of a firm using information systems to:

• Achieve low-cost leadership
• Develop synergies
• Focus on market niche
• Simplify the industry value chain
• Strengthen ties to its customers

All of the following managerial roles can be supported by information systems except:

• Entrepreneur
• Nerve center
• Disseminator
• Resource allocator
• Liaison

The entire system-building effort is driven by:

• Documentation
• Feasibility studies
• Six sigma
• Available information technology
• User information requirements

Objects are grouped into hierarchies, and hierarchies into classes.

• False
• True

Often there are multiple possible designs for a system.

• True
• False

Executive Support Systems (ESS):

• Have the ability to drill down into lower levels of detail
• Easily integrate data from different systems
• Support the structured decision making of senior executives
• Are primarily driven by information derived from a company's transaction processing systems
• Enable operational managers to create parameterized reports

In an object-oriented development framework for a university, how would the classes Degree, Mathematics, and Physics be related?

• Mathematics and Physics would be ancestors to Degree
• Degree is a superclass to Mathematics and Physics
• Degree would be a subclass to Mathematics and Physics
• Math, Physics and Degree are sister classes
• Degree would be a sister class to Mathematics and Physics

To monitor the status of internal operations and the firm's relations with the external environment, managers need which of the following types of system?

• KMS
• MIS
• TPS
• ESS
• DSS

A structured decision is repetitive and routine, for which known procedures provide solutions.

• True
• False

If you can follow a definite procedure to make a business decision, you are making a(n) ________ decision.

• Procedural
• Structured
• Unstructured
• Ad-hoc
• Semi-structured