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A - Systems Analysis & Design > Chapter 1 : Introduction To Information System > Flashcards

Chapter 1 : Introduction To Information System Flashcards

1
Q

What is a system? ( 1 )

A
  1. A set of related components that produces specific results. Businesses use many types of systems.
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2
Q

What use many types of systems?

A
  1. Business
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3
Q

List out examples for services provided to business by systems ( 4 )

A
  1. Order Processing
  2. Inventory Control
  3. Human Resources
  4. Accounting

Systems Helps :
1. Handle routine day to day task
2. Aid managers to make better decisions

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4
Q

What is hardware in an Information System?

A
  1. The physical layer of the information system
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5
Q

List out the component of Information Systems ( 5 )

A
  1. Hardware
  2. Software
  3. Data
  4. Process
  5. People
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6
Q

List out hardware ( 8 )

A
  1. Servers
  2. Workstations
  3. Networks
  4. Scanners
  5. Digital capture devices
  6. Telecommunications equipment
  7. Fiber-optic cables
  8. Mobile devices
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7
Q

What is software in an Information System?

A
  1. Programs that control the hardware and produce the desired information or results.
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8
Q

Which type of software manages the hardware components ?

A
  1. System Software
  • Operating Systems
  • Security Software
  • Device Drivers
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9
Q

List out the type of Software

A
  1. System Software
  2. Application Software
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10
Q

What is Legacy system?

A
  1. Older systems
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11
Q

What is a Vertical System?

A
  1. Design to meet the unique requirements of a specific business or industry
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12
Q

What is a horizontal system?

A
  1. A system that can be adapted for use in many different type of company
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13
Q

What is data in an Information System?

A
  1. Raw facts that an Information System transforms into useful information
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14
Q

Can data be used in making decision?

A
  1. No
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15
Q

Why can’t data be used in making decision?

A
  1. Data has no inherent meaning
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16
Q

What are processes in an Information System?

A
  1. Tasks and business functions performed by users, managers, and IT staff to achieve specific results
  2. Represent actual day-to-day business operations
  • Generate report
17
Q

Who are the people involved in an Information System?

A
  1. Individuals who have an interest in an Information System
18
Q

Who are a user?

A
  1. A user is a person who communicates with an IS or uses the information that it
    generates
  • Stakeholders
19
Q

List out the types of information system ( 5 )

A
  1. Enterprise computing systems
  2. Transaction processing systems
  3. Business support systems
  4. Knowledge management systems
  5. User productivity systems
20
Q

What are enterprise computing systems?

A
  1. 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
21
Q

What are transaction processing systems?

A
  1. 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
22
Q

What are business support systems?

A
  1. 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
23
Q

What are knowledge management systems?

A
  1. Simulate human reasoning by combining a knowledge base and inference rules
24
Q

What are knowledge management systems called as?

A
  1. Expert system
25
Q

What technique does knowledge management system uses?

A
  1. Fuzzy Logic
26
Q

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

A
  1. Executives
  2. Senior Managers
  3. Middle Managers
  4. Workers
27
Q

What are user productivity systems?

A
  1. 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
28
Q

What are the steps in the Structured Analysis SDLC model? ( 5 )

A
  1. Systems planning
  2. Systems analysis
  3. Systems design
  4. Systems implementation
  5. Systems support and security

*
1. Planning
2. Analysis
3. Design
4. Implementation
5. Testing
6. Deployment
7. Maintenance

29
Q

What is Object-oriented Analysis?

A
  1. 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
30
Q

Object is a member of what?

A
  1. Class
31
Q

What are Agile Methods?

A
  1. Are the newest development
  2. Iterative development
  3. Agile community has published the Agile Manifesto
  4. Spiral model
32
Q

What are agile methods emphasize on?

A
  1. Continous feedback
33
Q

What are the 2 examples of agile methods?

A
  1. Scrum
  2. Extreme Programming
34
Q

What does Agile process determines?

A
  1. End result
35
Q

What does the analysts should understand before selecting a development method?

A
  1. Pros and cons of each development method
36
Q

List out other development methods ( 5 )

A
  1. Joint application development (JAD)
  2. Rapid application development (RAD)
  3. Rational Unified Process (RUP)
  4. V model
  5. DevOps model

A - Systems Analysis & Design (3 decks)

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