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10 Listen to the recording once again and complete the following
sentences in groups.
A To recreate 1) _____ we need speed, we need memory capacity to match the
2) ____ and we need the right hardware.
We'll be able to send 3) _____ along blood vessels to map the brain from the
inside.
This will give us all the data of how the brain is connected and all the features
which enable 4) _____ as it does. When we know how the brain works, we'll be
able to recreate its operation using 5) _____ which will have been developed
even before this date.
B The most important difference at the moment 1) ______ is that computers work
in serial and brains work in parallel.
This means that we can do 2) ________ compared to what a computer can
achieve running for weeks, or even months.
If you look at the way 3) _______ neurons, they don't move extraordinarily
quickly. But there are billions of them doing it all at once, whereas in a computer
everything has to be done 4) _______.
If we start having parallel computers, only then I feel will we even start to
approach the kind of 5) ________ necessary to begin to make a start to
reproducing some of the higher functions of the human brain.
C We'll see a hundred years of progress at today's rate in twenty-five years
because the 1) _______ progress is accelerating.
Right now we're doubling the rate of 2) ________ every decade so the next
decade will mean twenty years of progress; and the following decade will be like
forty. It's only a matter of time before these 3) _________ of ours are able to
outdo us.
They will think faster than we do. They will make 4) _______ than we do.
If we play it right, machines will look after us. If we get it wrong, machines may 5)
______ us. And it could happen sooner than we imagine.
11 Discuss the following statements.
· When we know how the brain works, we'll be able to recreate its operation.
· It's not possible to have a computer that thinks.
· Artificial children of ours are able to outdo us.
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