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Q.

What is the capacity of human brain

Tags: capacity of human brain
Asked by PRASHANTH GURUSAMY, 18 Dec '07 10:01 pm
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Answers (3)

1.

Brain works faster than a computer. Brain works so fast that no machine in the world can be made or can be equal to brain. Within a one-millionth of a second brain can develop new ideas and innovations.
Answered by rubia taneja, 05 Aug '09 08:45 pm

 
  
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2.

Unlimited because

Much interest has been focused on comparing the brain with computers. A variety of obvious analogies exist: for example, individual neurons can be compared with a microchip, and the specialized parts of the brain can be compared with graphics cards and other system components. However, such comparisons are fraught with difficulties. Perhaps the most fundamental difference between brains and computers is that today's computers operate by performing often sequential instructions from an input program, while no clear analogy of a program appears in human brains. The closest equivalent would be the idea of a logical process, but the nature and existence of such entities are subjects of philosophical debate. Given Turing's model of computation, the Turing machine, this may be a functional, not fundamental, distinction. However, Maass and Markram have recently argued that "in contrast to Turing machines, generic computations by neural circuits are not digital, and are no ...more
Answered by Arkadeep Banerjee, 18 Dec '07 10:04 pm

 
  
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3.

There have been numerous attempts to quantify differences in capability between the human brain and computers. According to Hans Moravec, by extrapolating from known capabilities of the retina to process image inputs, a brain has a processing capacity of 100 trillion instructions per second (100 million MIPS). In comparison, the fastest supercomputer in the world, the IBM Blue Gene/l at Lawrence Livermore National Labratory, is capable of handling 478.2 trillion instructions per second, and an average 4-function calculator is capable of handling 10 instructions per second. The brain is likely to be surpassed by normal personal computers by 2030.
The computational power of the human brain is difficult to ascertain, as the human brain is not easily paralleled to the binary number processing of today's computers. For instance, multiplying two large numbers can be accomplished in a fraction of a second with a typical calculator or desktop computer, while the average human may require a p ...more
Answered by GOPI KUMAR, 18 Dec '07 10:02 pm

 
  
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