Lesson 1 Flashcards
an interrelated set of components that function together to achieve an outcome.
SYSTEM
Three major components of a System?
- Input
- Processing
- Output
Elements of a System(6)?
Possible Question?
- Purpose
- Subsystems
- Environment
- Boundary
- Connections
- Control Mechanisms
Is a collection of policies, procedures, methods, people, machines, and other elements that interact and enable the organization to achieve its goal.
BUSINESS SYSTEM
Is a collection of interrelated components that collect, process, store, and provide as output the information needed to complete a business task.
INFORMATION SYSTEM
Components of Information System(4)?
Possible Question?
- Work Practice
- Information
- People
- Information Technology
Types of Information System?(6)
- Transaction Processing Systems (TPS)
- Management Information Systems (MIS)
- Decision Support Systems (DSS)
- Office Automation Systems (OAS)
- Expert Systems (ES)
- Executive Information Systems(EIS)
process large amount of data for routine business activities or transactions
Transaction Processing Systems (TPS)
provide a standard reports for managers about transaction data.
help unite some of the computerized information functions of a business.
Management Information Systems (MIS)
designed to help organizational decision makers identify and choose between options or decisions.
Decision Support Systems (DSS)
support general office work for handling and managing documents and facilitating communication.
Office Automation Systems (OAS)
perform a task that would otherwise be performed by a human expert.
Expert Systems (ES)
provide a generalized computing and communication environment to senior managers to support strategic decisions.
Executive Information Systems (EIS)
The more specialized a system is, the less able it is to adapt to different circumstances.
TRUE OR FALSE?
TRUE
The more general-purpose a system is, the less optimized it is for any situation.
TRUE OR FALSE?
TRUE
The larger the system is the more of its resources that must be devoted to its everyday maintenance.
TRUE OR FALSE?
TRUE
Systems are always part of larger systems, and they can always be partitioned into smaller systems.
TRUE OR FALSE?
TRUE
Systems grow. Duh.
TRUE OR FALSE?
TRUE LOL
Players in the System Game?(5)
- System Sponsors/ Owners
- System Users
- System Designers
- System Builders
- System Analysts
Roles of the Systems Analyst(3)?
- Systems Analyst as Consultant
- Systems Analyst as Supporting Expert
- Systems Analyst as Agent of Change
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pay for the system to be built and operated and set the vision and priorities for the system.
System sponsors/owners
use the system on a regular basis to support the operation and management of the organization.
System users
technical specialists that translate the business requirements into a feasible technical solution.
System designers
technical specialists who build, test, and deliver the information system.
System builders
who determine the requirements that must be met by the information system.
System analysts
address specific information systems issues
within a business.
Systems Analyst as Consultant
draws on professional expertise concerning computer hardware and software and their uses in the business.
Systems Analyst as Supporting Expert
perform any of the activities in the SDLC (Software Development Cycle) and are present in the business for an extended period.
Systems Analyst as Agent of Change
Required Skills of the Systems Analyst?(6)
- Technical Knowledge
- Technical Skills
- Business Knowledge
- Business Skills
- People Knowledge
- People Skills
tools that store information about system specifications created by analysts and sometimes generate program code.
Computer-aided System Engineering (CASE)
