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System Analysis and Design, Group 7 members, Explaination, Explaination,…

- - - - Employee Record keeping
      - Payroll Processing
      - Material Movement control
      - Order Processing
      - interact with external environment for the day-to-day operations of business
  - - - support data workers to analyze information collected then manipulate data into certain ways for sharing
      - Word processing
      - Communication via e-mail or voice mail
      - Electronic filing
    - - support professional workers to create new knowledge and contribute it to organization or society
      - Computer-aided design(CAD) systems
      - Virtual Reality
      - Financial workstations
  - - - search engine
      - consultation system
      - Gps route planing
      - support of decision making in all its phases but final decision still left up to decision maker
    - - DENDRAL
      - PXDES
      - MYCIN
      - Aid of computer program or artificial intelligence to find the best solution for specific problem
    - - profit margin by sales region
      - Marketing
      - Daily sales report
      - support management function of organization that aid in decision making by interpreting the data
  - - - Microsoft Exchange
      - Net Document Enterprise
      - Lotus Notes
      - Aid in group collaboration permittiong group members with elecronic support such as polling , questionnaires
    - - Video conferencing
      - Web survey system
      - support management function of organization that aid in decision making by interpreting the data
    - - status access
      - marketing report
      - drill-down analysis
      - Help executives to make decisions with supporting documents or technologies
- - - - Decrease design and implementation time
    - - Get some portion of system developed quickly and in the users’ hands
    - - Rapid delivery
      - Continuous integration
      - Reuse of the existing prototypes (components)
      - Gathering customer requirements through workshops or focus groups
      - Early testing of the prototypes by the customer using iterative concept
    - - Iterative development
      - System Prototyping
      - Throw-away prototyping
  - - - Allow the users evaluate developer proposals and try them out before implementation.
      - Helps understand the requirements which are user specific and may not have been considered by the developer during product design.
    - - Throwaway/Rapid Prototyping
      - Evolutionary Prototyping
      - Incremental Prototyping
      - Extreme Prototyping
    - - Refine objective
      - Identify data to be used
      - Plan prototype
      - Develop prototype
      - Review for feasibility
      - Access impact of prototype
      - Update documentation
  - - - Analyst
      - Managers
      - User
    - - Enhances quality
      - Promotes team work
      - Accelerates design
      - Lowers with customer maintenance and development cost
    - - Facilitator
        
        Ensuring that the group sticks to the agenda
        
        Help the group to understand key terms, jargons, and system analysis process
        
        Sets meeting agenda
        and guides discussion
        
        Recording group's inputs, structuring information
        
        Helping group recognize key issues and solutions
        
        Leads a group of users
  - - - Emphasize people rather than roles
      - Self-adaptive processes
      - Adaptive rather than predictive
    - - Responsible and motivated developers
      - Customers who understand the process and will get involved
      - Unpredictable or dynamic requirements
    - - Satisfaction by rapid & continuous delivery of useful software
      - Working software is delivered frequently
      - Regular adaptation to changing circumstances
    - - Difficult to assess & effort required at the beginning of SDLC
      - Lack on necessary designing and documentation
      - Easily get taken off track and out of outcome
  - - - Increasing Analyst Productivity
      - Improving Analyst-User Communication
      - Integrating Life Cycle Activities
      - Accurately Assessing Maintenance Changes
    - - Upper CASE tools
      - Lower CASE tools
      - Integrated CASE tools
- - - - Designing and building the system
        
        Introduce the system to the users
- - - - Design effective input
      - Devises the human-computer interface
      - Design procedures
    - - Model of actual system
  - - - Uses structure charts and pseudocode to communicate to the programme
    - - Computer programs and system documentation
  - - - Data dictionary
      - Structured decisions methods
      - Data flow diagrams
      - System proposal
    - - Solution is based on analyst qualities and professional training and interaction with users
  - - - Testing done by both programmers and analyst
      - Maintenance started routinely through life of system
      - Testing take place first with sample data and then actual data
      - Updates may be performed via vendor site on Web
    - - Updated programs
      - Documentation
      - Problems, if any
  - - - Sampling and investing hard data
      - Observe decision maker's behavior and environment
      - Interviewing
      - Prototyping
      - Learn 5W1H of the current system
    - - Understanding on how to accomplish
        work using computer
      - Understanding on how to make new
        system more useful and usable
  - - - System conversion - converting files from old to new, build database, install equipment, bring new system to production
      - Training users to handle system
      - Evaluation takes place in in every phase
    - - Trained personnel
      - Installed system
  - - - Feasibility report contain problem definition and objective summaries from which management can make decision whether proceed with the proposed project
    - - Summarizing the knowledge obtained
      - Estimating the scope of project
      - Interviewing user management
      - Documenting results