Karteikarten
Information Systems
Karten in diesem Stapel (14)
- 1What is an information system?A system used to support business activities
- 2The 3 stages of decision making1. Intelligence - what is the problem?
2. Design - designing solutions
3. Choice - select course of action - 3Structured DecisionsGoverned by clear rules
e.g. when to reorder stock - 4Unstructured DecisionsNo defined rules to solve problems
e.g. hiring staff (qualifications, experience) - 5Hierarchy of Management1. Executive - strategic planning
2. Middle - management control
3. Supervisory - operational control - 6Operational Control What do they need to know to reorder a product?- Product ID
- What is the current stock
- How much do they need to order - 7Management Control What do they need to know to allocate a budget?- How much funding is available
- Prediction of resource requirements
- Previous budgets
- Predicted profits - 8Strategic Planning What do they need to know to introduce a new product- Research of market
- Competitors product prices
- Production costs
- Predicted profits
- Current products - 9Transaction Processing System (TPS)Systems used for lower level functions
-Supports day to day activities
-Used for structured decisions - 10Management Information System (MIS)Uses TPS data to create summaries and statistics
- 11Decision Support Systems (DSS)Interactive system to help make unstructured decisions
- may use TPS or MIS
- can make models and simulations
- creates analysis reports - 12Composite AttributeAn attribute that can be further divided into parts
(e.g. name can be divided into first name and surname) - 13Multivalued AttributeAn attribute that can have more than one value associated with it.
(e.g. a company can have many divisions) - 14Derived AttributeAttribute that can gain its value from another attribute
(e.g. the age value can be derived from the date of birth attribute)
Informationen
- Beschreibung
- Computer Science Karteikarten am Information Systems, erstellt von Aaron G am 14/12/2021.
- Erstellt von
- Aaron G
- Aufrufe
- 1
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