Q:

1. Computers have infiltrated into all aspects of life.
 P. This shows that the computer has become all-powerful.
 Q. So it is with many other things where computers are indispensable.
 R. City traffic, airline booking and airtraffic are all computer- controlled.
 S. In such a situation, computer breakdown means the break- down of the system it controls.
 6. Such is our dependence on it. 

• 1
  RQSP
• 2
  SQPR
• 3
  PQRS
• 4
  RPQS