Chapter 1 : Introduction To Information System Flashcards
What is a system? ( 1 )
- A set of related components that produces specific results. Businesses use many types of systems.
What use many types of systems?
- Business
List out examples for services provided to business by systems ( 4 )
- Order Processing
- Inventory Control
- Human Resources
- Accounting
Systems Helps :
1. Handle routine day to day task
2. Aid managers to make better decisions
What is hardware in an Information System?
- The physical layer of the information system
List out the component of Information Systems ( 5 )
- Hardware
- Software
- Data
- Process
- People
List out hardware ( 8 )
- Servers
- Workstations
- Networks
- Scanners
- Digital capture devices
- Telecommunications equipment
- Fiber-optic cables
- Mobile devices
What is software in an Information System?
- Programs that control the hardware and produce the desired information or results.
Which type of software manages the hardware components ?
- System Software
- Operating Systems
- Security Software
- Device Drivers
List out the type of Software
- System Software
- Application Software
What is Legacy system?
- Older systems
What is a Vertical System?
- Design to meet the unique requirements of a specific business or industry
What is a horizontal system?
- A system that can be adapted for use in many different type of company
What is data in an Information System?
- Raw facts that an Information System transforms into useful information
Can data be used in making decision?
- No
Why can’t data be used in making decision?
- Data has no inherent meaning
What are processes in an Information System?
- Tasks and business functions performed by users, managers, and IT staff to achieve specific results
- Represent actual day-to-day business operations
- Generate report
Who are the people involved in an Information System?
- Individuals who have an interest in an Information System
Who are a user?
- A user is a person who communicates with an IS or uses the information that it
generates
- Stakeholders
List out the types of information system ( 5 )
- Enterprise computing systems
- Transaction processing systems
- Business support systems
- Knowledge management systems
- User productivity systems
What are enterprise computing systems?
- Systems that support company-wide operations and data management requirements, such as Enterprise Resource Planning (ERP).
- Many hardware and software
vendors target the enterprise
computing market
What are transaction processing systems?
- Systems that involve large amounts of data and are mission-critical, providing transactions to update records and generate reports
- Bill system, Payroll System, Stock control system
What are business support systems?
- Systems designed to convert raw data from Transaction Processing Systems into summarized reports for managers
- Example :
1. Management Information Systems (MIS)
2. Sales Management System
3. Human Resource Management System
What are knowledge management systems?
- Simulate human reasoning by combining a knowledge base and inference rules
What are knowledge management systems called as?
- Expert system
What technique does knowledge management system uses?
- Fuzzy Logic
List out what information systems is suitable to what role?
1. Executive Information System
2. Decision Support System
3. Management Information System
4. Transaction Processing System
- Executives
- Senior Managers
- Middle Managers
- Workers
What are user productivity systems?
- Software applications and tools designed to enhance the productivity and efficiency of individual users, such as employees within an organization
- Examples:
1. Groupware
2. Calendar
3. Email
4. Scheduling Software
What are the steps in the Structured Analysis SDLC model? ( 5 )
- Systems planning
- Systems analysis
- Systems design
- Systems implementation
- Systems support and security
*
1. Planning
2. Analysis
3. Design
4. Implementation
5. Testing
6. Deployment
7. Maintenance
What is Object-oriented Analysis?
- A method that combines data and processes into objects, where objects possess properties and methods that change those properties. It follows a series of analysis and design phases similar to the SDLC
Object is a member of what?
- Class
What are Agile Methods?
- Are the newest development
- Iterative development
- Agile community has published the Agile Manifesto
- Spiral model
What are agile methods emphasize on?
- Continous feedback
What are the 2 examples of agile methods?
- Scrum
- Extreme Programming
What does Agile process determines?
- End result
What does the analysts should understand before selecting a development method?
- Pros and cons of each development method
List out other development methods ( 5 )
- Joint application development (JAD)
- Rapid application development (RAD)
- Rational Unified Process (RUP)
- V model
- DevOps model