[00:00.00]Compute
[00:01.91]A computer is a marvel in modern technolog
[00:06.74]It can solve the most complex mathematical problems or put in order thousands of unrelated facts in a fraction of a secon
[00:18.18]Within one second,a computer can add or subtract nine thousand times,multiply a thousand times,or divide five hundred time
[00:30.22]A computer is just like a human brain but can work much faster than a human brai
[00:37.75]Computers are the most efficient servants man has ever ha
[00:43.26]They can be used to operate machines,prepare payrolls,guide airplane flights,cook meals,even play ches
[00:54.05]If plugged into the Internet,compters can provide people with all kinds of informatio
[01:01.47]In hospitals,they can even write prescription
[01:05.46]What is better still,it can do the job quickly and accuratel
[01:10.95]Can man be controlled by computer
[01:14.58]The answer is negativ
[01:17.22]Although a computer works much faster and more accurately than man,a fact is undeniable:it is designed,manufactured and programmed by man ,and therefore controlled by human being
[01:32.42]Of course,science fiction has many fascinating stories about computer,or a robot,who conquers man and earth,even the whole universe;however,they are only products of unrealistic imagination
[01:53.89]A horse helps a man a lot and runs much faster than we,but it is only a slave.