
19: ANSWERS TO LECTURE EXAMPLES
19.4
Answer to Lecture Example 3
OCR: Pre-printed cheques
OMR: Lottery
Bar codes: Retail
Voice recognition: Voice activated booking systems
Touch screens: In store promotions
EFTPOS: Credit transactions
Answer to Lecture Example 4
TPS: Sales order system
DSS: Excel spreadsheet (budget)
ESS: 'Dashboard' system, eg Business objects
Expert: Taxation advice
MIS: Internal reporting system
Answer to Lecture Example 5
• Easy to navigate
• Speedy search
• FAQ's
• Drill down facility
• Clear visuals
• Product search
Answer to Lecture Example 6
Example Control
Input error On-line entry by customer
Fire OFF site back-up
Fraud Segregation of duties
Insider dealing Systems monitoring
Viruses Anti-virus software
Strike action Negotiation