Fundamentos de Sistemas de Informacao - Aula 11 2009_2
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Fundamentos de Sistemas de Informacao

Fundamentos de Sistemas de Informacao
Aula 11
Prof. Ismar Frango

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Fundamentos de Sistemas de Informacao - Aula 11 2009_2 Fundamentos de Sistemas de Informacao - Aula 11 2009_2 Presentation Transcript

  • Fundamentos de Sistemas de Informação Prof. Ismar Frango Aula #11
  • Na aula anterior: Estudamos os MIS, definimos nosso segundo trabalho de campo e além disso divulgamos as notas da micro 1. Na aula de hoje: Aprofundaremos os estudos em MIS e daremos alguns direcionamentos adicionais para o trabalho de campo #2 http://www.cartoonstock.com/lowres/bkr0022l.jpg
  • Uma velha conhecida...
  • Alter, S., Information Systems – A Management Perspective, 3 rd Ed., Addison-Wesley, 1999. ...repaginada
  • Corporate databases of internal data Databases of external data Databases of valid transactions Operational databases Transaction processing systems Management information systems Decision support systems Executive support systems Expert systems Business transactions Input and error list Drill-down reports Exception reports Demand reports Key-indicator reports Scheduled reports Employees Corporate intranet Application databases www.cse.yorku.ca/ TPS, MIS e reports
  • Mas que informações há nesses relatórios ( reports )? TPS, MIS e reports por área funcional
    • Scheduled reports
        • Produzidos periodicamente, de acordo com um agendamento prévio ( schedule ) (relatórios diários, semaias, mensais, anuais…)
    • Key-indicator reports
        • Sumariza as atividades principais ( key ) do período anterior
        • Tipicamente diários, disponíveis no início de cada dia
    • Demand reports
        • Fornecem informações específicas de acordo com a requisição ( demand ) de um gerente
    • Exception reports
        • Produzidos automaticamente quando ocorre uma situação inusitada, inesperada ou que requeira uma ação gerencial
    • Drill-down reports
    Tipos de relatórios
  • Scheduled Report $720 P3214 144 08J/13/96 JMW C34123 P12456 $2,448 P4012 24 08/12/96 SAK C52313 P12455 $1,224 P4902 12 08/13/96 GWA C03214 P12453 $5,660 P3214 288 08/12/96 CAR C89321 P12453 $3,214 P1234 144 08/12/96 CAR C89321 P12453 Daily Sales Detail Report Prepared: 08/10/xx Amount Item # Quantity Ship Date Sales Rep ID Customer ID Order #
  • Key Indicator Report Last Year Last Month This Month $2,608 $2,224 $2,406 Forecasted Sales for the Month $1,014 $1,694 $1,808 Total Orders Month to Date Daily Sales Key Indicator Report
  • Demand Report $12,350 JWN $22,100 SAK $38,950 GWA $42,345 CAR Amount Sales Rep ID Daily Sales by Sales Rep Summary Report Prepared: 08/10/xx
  • Exception Report … … … … … … … … … … … … … … $11,224 P4902 12 08/13/96 GWA C03214 P12453 $15,660 P3214 288 08/12/96 CAR C89321 P12453 $13,214 P1234 144 08/12/96 CAR C89321 P12453 Daily Sales Exception Report – ORDERS OVER $10,000 Prepared: 08/10/xx Amount Item # Quantity Ship Date Sales Rep ID Customer ID Order #
  • E os drill-down reports?
    • Why is our client, Hinson Corp., unhappy? Because we did not deliver our services when we said we would. 
    • Why were we unable to meet the agreed-upon timeline or schedule for delivery? The job took much longer than we thought it would.
    • Why did it take so much longer? Because we underestimated the complexity of the job. 
    • Why did we underestimate the complexity of the job? Because we made a quick estimate of the time needed to complete it, and did not list the individual stages needed to complete the project.
    • Why didn't we do this? Because we were running behind on other projects. We clearly need to review our time estimation and specification procedures.
    Drill-downs e os 5 Whys...
  • http://www.salesmis.net/ProductInfo/MISReport.asp
  • Por exemplo... TPS_A1 TPS_A2 TPS_A3 TPS_B1 TPS_B2 TPS_B3 TPS_C1 TPS_C2 TPS_C3 Transação A Transação B Transação C Quais dessas áreas funcionais serão afetadas pelas transações A,B,C? Que relatórios poderiam ser gerados por MIS de cada uma dessas áreas? (Dê exemplos)