Describe two situations in the bus transportation industry where computerized system could
replace human employees.
Answer:
- Online booking will replace the clerks who do it manually.
- Checking tickets at boarding by reading a boarding pass (card) and matching details against a
passenger database will replace the conductor.
- Using body scanners to detect if a person is carrying items which are prohibited on bus will
replace the security guard.
- Checking tickets at boarding by reading a boarding pass (card) and matching details against a
passenger database will replace the conductor.
- Using body scanners to detect if a person is carrying items which are prohibited on bus will
replace the security guard.
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State four ways in which a computer user can protect the eyes from damage caused by computer radiation. 
