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Information Systems for you
Chapter 9 - Types of Computer Operation 
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» Exam Answers
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Test Yourself (Page 77)
  A on
  B interactive
  C real-time
  D interactive
  E batch
  F multiprogramming
  G multi-access
  H timesharing
 
Things To Do (page 78)
1(a)
  Creating bills and clearing cheques.
(b)
  The computer can be left to get on with it on its own. Fast for repetitive processing of high volume work.
(c)
  The information stored in always the latest information because any changes to the information are made immediately.
 
2(a)
  Keyboard
(b)
  The person using the computer asks questions and replies are given by the computer immediately.
(c)
  The customer will probably wait while answers to their questions are found using the computer.
(d)
  Surname, Forename, Address (this could be broken down), telephone number, date travelling out, date travelling in, destination, method of payment, insurance details, passport number etc.
(e)
  Because the system is interactive. As soon as you book the number of seats are reduced.
(f)
  Random access
(g)
  Hard disk drive
(h)
  Faster to get replies and the system prevents double booking.
 
3(a)
  Real time. Needs to show the latest balance so that you do not go overdrawn.
(b)
  Batch processing. All mark sheets can be batched together and marked automatically.
(c)
  Real time. Needs to continually monitor the river levels.
(d)
  Batch processing. Large volume of statements can be produced automatically.
(e)
  Real time. The true stock situation is always shown so that low in stock goods can be re-ordered.
(f)
  Real time. The temperature in the room is continually monitored so that the system can decide whether to switch on or off.
(g)
  Real time. Game needs to be interactive.
 
Examination Questions (page 336)
1
  The following should be ticked; Producing electricity bills and Clearing cheques.
     
2
Ticks should be put in for:
Central heating system
Automatic pilot on an aeroplane