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The world’s most powerful computer is ASCI Purple, made by IBM in 2004. It can carry out 100 trillion operations per second and has the size of two basketball courts. A computer with double power is expected in the next two years. A spokesman for IBM said that ASCI Purple is near the power of the human brain. But some scientists believe our brains can carry out almost 10,000 trillion operations per second.

• SUPERCOMPUTER
• COMPUTERS CHANGE HUMAN BRAINS
• INTELLIGENT MACHINES IN OUR LIFE
• COMPUTER INTELLIGENT TEST
• HUMAN INTELLIGENT TEST
• MAN AGAINST COMPUTER
• ELECTRONIC FILM STARS
• THEY ARE ABLE TO LESSEN HUMAN'S RISKS
• THEY ARE UNPREDICTABLE IN OUR FUTURE
• NUMEROUS USEFUL FUNCTIONS