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Unit 3

Unit 3. Task 1 Explain how you would define what information is required to develop the MIS and outline what checks you would use to ensure accuracy. ( P6 ) . Characteristics of Modern Computer-based Information Systems.

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Unit 3

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  1. Unit 3 Task 1 Explain how you would define what information is required to develop the MIS and outline what checks you would use to ensure accuracy. (P6)

  2. Characteristics of Modern Computer-based Information Systems • An information system in a nationwide restaurant chain might store details such as: - - - - - -

  3. Characteristics of Modern Computer-based Information Systems • Hardware and software which might be required for input with this system might include: - - - - - -

  4. Characteristics of Modern Computer-based Information Systems • Processing which might take place with this system might include: - - - - - -

  5. Characteristics of Modern Computer-based Information Systems • Output from this system might include: - - - • Hardware which might be required to support the output from this system might include: - - -

  6. Characteristics of Modern Computer-based Information Systems • Storage for such a system might include: - - -

  7. Characteristics of Modern Computer-based Information Systems • Output from such a system would require hardware such as: • Monitors to view the results of the searches/queries • Printers to print out class lists, timetables, exam entries, reports to parents • Automated telephone call to inform parents that their child is not in school

  8. Characteristics of Modern Computer-based Information Systems • Storage which would be used to support this system: • Daily backups onto magnetic tape so that the system can be recovered • Archived storage to keep records of students which have left – possibly magnetic tape or DVD.

  9. Characteristics of Modern Computer-based Information Systems Modern computer based systems need certain characteristics in order to make them user friendly: • User interface • WIMP interface • Easy to use • Interactive • Informative buttons, labels, error messages • Intuitive to use These are the key points for this section – the characteristics

  10. Characteristics of Modern Computer-based Information Systems • Use modern technology • E.g. Touch screen • Voice input • Rapid response • Of input, processing and output • So customer is not kept waiting • Robust • Not easy for staff or customers to damage or delete data • secure These are the key points for this section – the characteristics

  11. Characteristics of Modern Computer-based Information Systems Many developments in technology have helped to encourage the growth and usage of information systems: • Personal computers • Modern telephone systems – including mobiles and W.A.P. • Networks • Satellite links • PDAs

  12. Characteristics of Modern Computer-based Information Systems • Video conferencing • Easy access to the Internet • Ability to access and transfer large amounts of data quickly and accurately between offices around the world • Ability to update systems in in real-time no matter where you are in the country – banks and bank accounts, booking systems

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