Bec Ch 2 It Flashcards
What’s management information system
Systems designed to provide past present and future information for planning organizing and controlling the operations of the organization
What is decision support system
Computer based information systems that combine models and data to resolve non structures problems with extensive user involvement
What is expert system
Computer systems that apply reasoning methods to dats in specific relatively structured area to render advice or recommendations much like a human expert
What is executive information system
Computerized systems that are specifically designed to support executive work
What phases are in sdlc
Planning Analysis Design Development Testing Implementation Maintenance
What is cpu and what does it contain?
Principal hardware component of a computer. It contains arithmetic logic unit primary memory and control unit. The major function is to fetch stored instructions and data decode the instructions and carry them out.
What’s an advantage and disadvantage of erp?
Advantage integration of various portions of information system, direct electronic communication with suppliers and customers increased responsiveness to information requests for decision making
Disadvantage complexity costs
What are 5 areas of risk associated with electronic commerce IT systems?
Security Availability Processing integrity Online privacy Confidentiality
What is a van and what are its advantages
Privately owned network that routes the edi transactions between trading partners and in many cases provides translation storage and other processing. It is designed and maintained by an independent company.
Advantages reduces communication and data protocol problems. Partners don’t have to establish the numerous point to point connections reduces scheduling problems and provides increased security.
Disadvantage cost dependent on van system and controls possible loss of data.
What is edi and what are benefits and exposure ?
Electronic data interchange the electronic exchange of business transactions in a standard format from one entity computer to another through electronic communications network.
Benefits quick response and access to info
Cost efficiency
Reduced paperwork accuracy better communication
Exposures total dependence on computer system possible loss of sensitive information increased opportunity for fraud reliance on third parties
What is cobit and what are its 5 principles?
Control objectives for information and related technology 1 meeting stakeholder needs 2 covering the enterprise end to end 3 applying a single integrated network 4 enabling a holistic approach 5 separating governance from management
Trust services use a framework with 5 principals of a reliable system?
1 security 2 availability 3 processing integrity 4 online privacy 5 confidentiality
What are the 4 types of general controls?
1 developing new programs and systems
2 changing existing programs and systems
3 controlling access to programs and data
4 controlling computer operations
