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MIS Ch 12

business process
consists of one or more activities.
Business process can contain multiple Information systems.
Application
a combination of hardware, software, and data components that accomplishes a set of requirements.
additional decision processes
1. Business processes, information systems, and applications have different characteristics and components.
2. The relationship of business processes to information systems is many to many, but an information system relates to at least one business process.
3. Every IS has at least one application because every IS has a software component.
Business process management (BPM)
used to create new business processes and to manage changes to existing processes. Used to manage the evolution of existing business processes from one version to an improved version.
systems development life cycle (SDLC)
a process that can be used to develop both information systems and applications.
Common, well-known, often used, frequently problematic.
Scrum
new development process, generic, used for development (and adaptation) of business processes, information systems, and applications.
Business analyst
is someone who is well versed in Porter’s models, in organizational strategies, and who focuses on ensuring that business processes and information systems meet the organization’s competitive strategies.
Systems analyst
are IS professionals who understand both business and information technology. Focus primarily on IS development, but are involved with business analysts on the management of business processes as well. Moving development projects through the SDLC or scrum development process. Play a key role in developing applications requirements and in facilitating the work of the programmers, testers, and users.
Business Process
As a network of activities, repositories, roles, resources, and flows that interact to accomplish a business functions.
Activities
are collections of related tasks that receive inputs and produce outputs.
Repository
is a collection of something
Inventory
is a physical repository and a database is a data repository.
Roles
collections of activities
Resources
which are people or computer applications that are assigned to roles
Control flow
that directs the order of activities
Data flow
that shows the movement of data among activities and repositories
Improve process quality
Efficiency (use of resources) and effectiveness (accomplish strategies)
Business factors include
? Market
? Product lines
? Supply chain
? Company policy
? Company organization
? Internationalization
? Business environment
As-is model
a model of the existing business process. From where the model can be evaluated or changed.
BPM activities
2. is to create components.
3. is implementing the new or changed process, process actors are trained on the activities that they will perform and on the IS procedures that they will use.
COBIT (control objectives for information and related technology)
a set of standard practices that are used during the assessment stage of the BPM cycle.
Object Management Group (OMG)
created a standard set of terms and graphical notations for documenting business processes.
Swim-lane layout
a format where each role in the business process is given its own lane. All activities for a given role. It simplifies process diagrams and draws attention to interactions among components of the diagram.
new technology
(you want to be the first person in the technology) vs legal or law (you have to build this system)
Waterfall methodology
Once you finish one phase you can’t go back. Plan, analysis, design, augmentation.
Business planning process
System definition (Define system goals and scope, assess feasibility {its cost, schedule, technical, organizational} form project team, plan project)
Systems definition
Project plan-
Requirements Analysis ( Conduct user interviews. Evaluate existing systems. Determine new forms/reports/queries. Identify new application features and functions. Consider security. Create the data model. Consider all five components)
Conversion types
Parallel- Overlap and run two at the same time. Costly. Safest.
Pilot- Trying a system out for checking it out in different departments.
Phased- Components of different structured being run and let go.
Plunge- cut off old system and start the new system.
System Maintenance
(record requests for change: failures enhancements. Prioritize requirements.)
Phase approach
Windows, roll out new
Prototyping
letting people use product and give critics on issues. Working prototype
Throwaway prototyping
let the users look at a dumbie product, and if they like it you can make it.
SCRUM
fully functional system every two weeks. It has to be a shippable product. Has to be a quick.
Waterfall
Go through everything and have a product in the end.

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