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Snooze Dragon

Well I got bored with you asking for it!

  1. A chain of estate agents has eighty branches. Daily transactions relating to house sales, purchases and enquiries are processed using a batch system based on a mainframe computer at head-office.

    1. Outline the flow of data through such a batch processing system (4)
    2. The company is considering changing from the batch system to an interactive system. Describe the advantages and disadvantages of moving to an interactive system. (4)
  2. A computer system can be described as being a “pseudo real-time system”.
    1. State clearly what is meant by pseudo real-time. (2)
    2. Give a situation where pseudo real-time is essential, stating a reason why it is needed. (2)
   

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