首页
登录
职称英语
For many years Garry Kasparov, a world chess champion, said that a computer
For many years Garry Kasparov, a world chess champion, said that a computer
游客
2024-06-16
40
管理
问题
For many years Garry Kasparov, a world chess champion, said that a computer would never beat him. In May 1997 he had to eat his words. Deep Blue, an invention of IBM, did just that.
This demonstrated processing power rather than intelligence. Computers are generally good at solving specific problems, not specifically good at solving general ones.
Thomas Serre and his colleagues at the Massachusetts Institute of Technology have built a computer processing system that tries to work in this general way. Among the tasks that computers are bad at is recognising broad categories of images. Tell one to search for something specific, such as a rectangle, and it can succeed in doing the task. Ask it to find "animals" among photographs of dragonflies(蜻蜓), trees and monkeys, and it fails.
That, at least, was how it used to be. But as Dr. Serre describes, his computer handles this problem rather well. In a recent test it even did a little better than humans.
Given the briefest of glances at a picture, most people believe they have not had time to recognise anything in it at all. Ask them whether they saw an animal and they consider themselves to be making a futile guess. Yet those guesses are right much more often than they are wrong. That is because the brain can carry out immediate visual processing even when it does not have time for any cognitive answer.
That is the purpose of Dr. Serre’s computer. His project is nothing less than an attempt to reverse-engineer the relevant part of the brain. That part is the ventral(腹面的,腹部的)visual pathway. Anatomy(解剖学) shows that it is organised into numerous areas. Experiments on monkeys give strong hints about how it works.
Dr. Serre considered his computer’s processing units analogous to nerve cells, and he organised them into areas, just as they are in real brains. Then he let the machine learn in much the same way that babies do. The result was a model that closely imitates the ventral visual pathway.
A system like this has obvious applications. But it also brings more subtle benefits. Based on how brains work, it may give insights into what happens when they go wrong. Real neuroscientists rely on lesions (that is, damaged areas of a brain) to help them understand what is going on in brains by seeing what happens in re sponse to particular sorts of damage. Dr. Serre has therefore "lessoned" his computer system in similar ways.
选项
答案
He was wrong because he was defeated by Deep Blue.
解析
由题干定位到文章首段第2句In May l997 he had to eat his words.根据第2句与首句和第3句的关系可以判断出,第2句与首句是转折关系,第3句是第2句的解释说明。因此此题应回答与Garry Kasparov所说的a computer would never beat him意思相反的句子。
转载请注明原文地址:https://tihaiku.com/zcyy/3636592.html
相关试题推荐
[originaltext]Aworld-championbodybuilderhasnomoremusclesthandoesa
[originaltext]Aworld-championbodybuilderhasnomoremusclesthandoesa
[originaltext]Aworld-championbodybuilderhasnomoremusclesthandoesa
Whatisthispassagemainlyabout?[br]Whydothecomputerdatabecomeimprecis
Comparedwithtraditionalcomputerscience,webscienceincludestheresearch__
Comparedwithtraditionalcomputerscience,webscienceincludestheresearch__
[originaltext]W:Well,howareyoudoing?M:Fine.Thecomputersectioniscomi
[originaltext]W:Well,howareyoudoing?M:Fine.Thecomputersectioniscomi
Thecomputervirusisanoutcomeofthecomputerovergrowthinthe1980s.The
[originaltext]Atonetime,computerswereexpectedlargelytoremovethenee
随机试题
SCRUTINIZE:ADMIRE::A、imprison:hostB、forewarn:rageC、vacillate:resolveD
Ionlyknowthemanby______butIhaveneverspokentohim.[2001]A、chanceB、he
BornonJuly31,1965,inGloucestershire,England,JoanneKathleenRowling
应急预案演练准备工作主要有制订演练计划,设计演练方案,演练动员与培训,应急预案演
调制信道的传输特性不好将对编码信道产生影响,其结果是给数字信号带来()。A.噪声
下列说法中,不正确的有( )。A.筹资渠道与筹资方式不存在对应关系 B.一般
腹膜的生理作用不包括()A.吸收作用 B.防御作用 C.渗出作用 D.修复
A.血府逐瘀汤合鳖甲丸 B.一贯煎合金铃子散 C.复元活血汤合硝石矾石散
下列不属于减少回购协议信用风险的方法的是()。A.对抵押品进行限定 B.倾向
服务对象张昊:“我的好多同学一个月都能挣上万块,而我一个月才3000块钱的工资,
最新回复
(
0
)