Capacity of human brain is much more then what w are storing in it
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Brains aren’t exactly like computers, though both do handle many computations per second. An article on ThinkQuest theorizes that the brain is capable of about 100 million MIPS (million computer instructions per second), based on some complicated estimations. But there’s no way to actually measure how much processing power a human brain has, and there’s a similar problem when it comes to determining its storage space. There are a few theories, however.
One theory from an article on io9 - We come from the future. explains that there are about 100 billion neurons, and each is capable of making about 1,000 connections that represent 1,000 synapses (synapses do the work of data storage). If you multiply each of the 100 billion neurons by the 1,000 synapses, you get 100 trillion data points, or 100 terabytes of info. The problem with this theory is that each synapse could potentially hold more or less than the one byte of information assumed in this formulation.
One theory from an article on io9 - We come from the future. explains that there are about 100 billion neurons, and each is capable of making about 1,000 connections that represent 1,000 synapses (synapses do the work of data storage). If you multiply each of the 100 billion neurons by the 1,000 synapses, you get 100 trillion data points, or 100 terabytes of info. The problem with this theory is that each synapse could potentially hold more or less than the one byte of information assumed in this formulation.
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As a number, a “petabyte” means 1024 terabytes or a million gigabytes, so the average adult human brain has the ability to store the equivalent of 2.5 million gigabytes digital memory
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