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Computers can always be viewed as hierarchical ordered systems that can be broken down into simpler

component parts in order to fully understand their operation.
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更多“Computers can always be viewed…”相关的问题
第1题
听力原文:We are supposed to do our assignments for statistics on the computer, but those i
n the student center are always tied up. I'm plfanning to get my own soon.

(29)

A.Our assignment can hardly be completed without a computer of my own.

B.The statistics in the student center are messed up, thus making our assignment difficult to complete.

C.I'm planning to finish my own assignment as soon as possible.

D.Our assignment has to wait till the computers in the student center get repaired.

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第2题
Welcome Everyone ! I'm always looking for a quicker way to do things on my computer. Since

Welcome Everyone !

I'm always looking for a quicker way to do things on my computer.

Since computers and the Internet are constantly changing, there are always new tips to be learned and shared and I look forward to learning and sharing with all of you.

Please feel free to bring your tips in for me as well. And if you ever have any questions, please leave them here for me and if I can't help you I can tell you just what discussion board here can and point you in the right direction.

I hope to see you checking back here often. If you don't have any tips, please feel free just to stop and say hi to me and let me know if there is anything you would like to see added here besides the tips I leave each day for you.

What is the intention of the writer of the letter below?

A.Looking for tips for a quicker way to do things.

B.Trying to offer his own advice for computer problems.

C.Asking readers to come to ask questions of computer.

D.Inviting readers to visit the discussion board frequently.

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第3题
There was a time when parents who wanted an educational present for their children would b
uy a typewriter, a globe or an encyclopedia set.

Now those 【21】______ seem hopelessly old-fashioned: this Christmas, there were a lot of 【22】______ computers under the tree. 【23】______ that computers are their key to success, parents are also frantically insisting that children 【24】______ taught to use them on school—as early as possible. The problem for schools is that when it 【25】______ computers, parents don’t always know best. Many schools are 【26】______ parental impatience and are purchasing hardware without 【27】______ educational planning, so they can say, OK, we've moved into the computer age. Teachers 【28】______ themselves caught in the middle of the problem — between parent pressure and 【29】______ educational decisions.

Educators do not even agree 【30】______ how computers should be used. A lot of money is going for computerized educational materials 【31】______ research has shown can be taught 【32】______ with pencil and paper. Even those who believe that all children should 【33】______ to computer warn of potential 【34】______ to the very young.

The temptation remains strong largely because young children 【35】______ so well to computers. First graders have been 【36】______ willing to work for two hours on math skills. Some have an attention span of 20 minutes.

【37】______ school, however, can afford to go into computing, and that creates 【38】______ another problem: a division between the have’s and havenot’s. Very few parents ask 【39】______ computer instruction in poor school districts, 【40】______ there may be barely enough money to pay the reading teacher.

【21】

A.items

B.toys

C.sets

D.series

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第4题
Unleashing Your Creativity By Bill Gates I've always been an optimist

Unleashing Your Creativity

By Bill Gates

I've always been an optimist and I suppose that is rooted in my belief that the power of creativity and intelligence can make the world a better place.

For as long as I can remember, I've loved learning new things and solving problems. So when I sat down at a computer for the first time in seventh grade, I was hooked. It was a clunky old Teletype machine and it could barely do anything compared to the computers we have today. But it changed my life.

When my friend Paul Allen and I started Microsoft 30 years ago, we had a vision of "a computer on every desk and in every home," which probably sounded a little too optimistic at a time when most computers were the size of refrigerators. But we believed that personal computers would change the world. And they have. And after 30 years, I'm still as inspired by computers as I was back in seventh grade. I believe that computers are the most incredible tool we can use to feed our curiosity and inventiveness--to help us solve problems that even the smartest people couldn't solve on their own.

Like my friend Warren Buffett, I feel particularly lucky to do something every day that I love to do. He calls it "tap-dance to work." My job at Microsoft is as challenging as ever, but what makes me "tap-dance to work" is when we show people something new, like a computer that can recognize your handwriting or your speech, or one that can store a lifetime's worth of photos, and they say, "I didn't know you could do that with a PC!"

But for all the cool things that a person can do with a PC, there are lots of other ways we can put our creativity and intelligence to work to improve our world. There are still far too many people in the world whose basic needs go unmet.

I believe that my own good fortune brings with it a responsibility to give back to the world. My wife, Melinda, and I have committed to improving health and education in a way that can help as may people as possible.

As a father, I believe that the death of a child in Africa is no less poignant (辛酸的) or tragic than the death of a child anywhere else. And that it doesn't take much to make an immense difference in these children's lives.

I'm still very much an optimist, and I believe that progress on even the world's toughest problems is possible and it's happening every day. We're seeing new drugs for deadly diseases, new diagnostic tools, and new attention paid to the health problems in the developing world.

I'm excited by the possibilities I see for medicine, for education and, of course, for technology. And I believe that through our natural inventiveness, creativity and willingness to solve tough problems, we're going to make some amazing achievements in all these areas in my lifetime.

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第5题
Much unfriendly feeling towards computers has based on the fear of widespreadunemployment

Much unfriendly feeling towards computers has based on the fear of widespread unemployment resulting from their introduction. Computers are often used as part of automated production systems required a least possible number of operators, causing the loss 【M1】______

of many jobs.This has been happened, for example, in many steelworks. 【M2】______

On the other hand, computers does create jobs. They are more skilled and better 【M3】______

paid, though less in number than those they replaced. Many 【M4】______

activities can not continue in their present form. without computers, no matter how 【M5】______

many people are employed. Examples is the check clearing(票据交换) 【M6】______

system of major banks and the weather forecasting system. When a firm

introduces computers, few people are usually employed in key posts (such as jobs 【M7】______

of operation managers)while other staff is retrained as operators, programmers, data 【M8】______

preparation staff. After the new system have settled down, people in non-computer 【M9】______

jobs are not always replaced.

When they leave, resulting to a decrease in the number of employees. 【M10】______

This decrease is sometimes balanced by a substantial increase in the activity of the firm, resulting from the introduction of computers.

【M1】

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第6题
Bill Gates : Unleashing Your Creativity I've always been an optimist and I suppose tha

Bill Gates : Unleashing Your Creativity

I've always been an optimist and I suppose that is and intelligence can make the world a better place.

For as long as I can remember, I've loved learning down at a computer for the first time in seventh grade, chine and it could barely do anything compared to the

life. rooted in my belief that the power of creativity new things and solving problems. So when I sat I was hooked. It was a clunky old teletype ma- computers we have today. But it changed my

When my friend Paul Allen and I started Microsoft 30 years ago, we had a vision of "a computer on every desk and in every home, " which probably sounded a little too optimistic at a time when most computers were the size of refrigerators. But we believed that personal computers would change the world. And they have.

And after 30 years, I'm still as inspired by computers as I was back in seventh grade.

I believe that computers are the most incredible tool we can use to feed our curiosity and inven-tiveness to help us solve problems that even the smartest people couldn't solve on their own.

Computers have transformed how we learn, giving kids everywhere a window into all of the world's knowledge. They're helping us build communities around the things we care about and to stay close to the people who are important to us, no matter where they are.

Like my friend Warren Buffett, I feel particularly lucky to do something every day that I love to do. He calls it "tap-dancing to work". My job at Microsoft is as challenging as ever, but what makes me "tap_dance to work" is when we show people something new, like a computer that can recognize your handwriting or your speech, or one that can store a lifetime's worth of photos, and they say, "I didn't know you could do that with a PC! "

But for all the cool things that a person can do with a PC, there are lots of other ways we can put our creativity and intelligence to work to improve our world. There are still far too many people in the world whose most basic needs go unmet. Every year, for example, millions of people die from diseases that are easy to prevent or treat in the developed world.

I believe that my own good fortune brings with it a responsibility to give back to the world. My wife, Melinda, and I have committed to improving health and education in a way that can help as manypeople as possible.

As a father, I believe that the death of a child in Africa is no less poignant or tragic than the death of a child anywhere else, and that it doesn't take much to make an immense difference in these children's lives.

I'm still very much an optimist, and I believe that progress on even the world's toughest problems is possible-and it's happening every day. We're seeing new drugs for deadly diseases. new diagnostic tools, and new attention paid to the health problems in the developing world.

l'm excited by the possibilities I see for medicine, for education and, of course, for technology. And I believe that through our natural inventiveness, creativity and willingness to solve tough prob- lems, we're going to make some amazing achievements in all these areas in my lifetime.

A computer was as big as an icebox when Bill Gates was a high school student

A.Right

B.Wrong

C.Not mentioned

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第7题
There was a time when parents who wantedaneducationalpresentfortheir children would buy a

There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or a set of encyclopedia(百科全书). Now those【C1】______seem hopelessly old-fashioned: this Christmas,【C2】______a lot of personal computers under the tree.【C3】______that computers are their key to success, parents are also frantically insisting that children【C4】______taught to use them in school -- as early as possible.

The problem for schools is that when it【C5】______computers, parents do not always know best. Many schools are【C6】______parental impatience and are purchasing hardware【C7】______sound educational planning so they can say, "Ok, we' ve moved into the computer age." Teachers【C8】______themselves caught in the middle of the problem -- between parent pressure and【C9】______educational decisions. Educators do not even agree【C10】______how computers should be used. A lot of money is going for computerized educational materials【C11】______research has shown can be taught【C12】______with pencil and paper. Even those who believe that all children should【C13】______to computer warn of potential【C14】______to the very young,

The temptation remains strong largely because young children【C15】______so well to computers. First graders have been【C16】______willing to work for two hours on math skills. Some have an attention span of 20 minutes.【C17】______school can afford to go into computing, and that creates【C18】______another problem: division between the haves and have-nots.

Very few parents【C19】______for computer instruction in poor school districts,【C20】______there may be barely enough money to pay the reading teacher.

【C1】

A.items

B.books

C.sets

D.series

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第8题
I am a computer expert. I have been in the field for only a short time. I never learned mu
ch in the way of science or math. And I am quite puzzled by things like engineering or electronics.

Then why am I able to write about computers? I can write on this subject because of these shortcomings. The last two years of learning has been a hard test for me. By hard work I have managed to learn enough to use computers fairly well, and to work with people who know a great deal more than I. Since I have learned all this at such personal cost, I would like to share my know-ledge with others. More and more people want to know about computers, and want to know quickly.

The best way to learn is to take a course. However, many people do not have the time for this. They will have to find some other ways to get some basic information. I hope to be able to help them by writing about some of the things I have learned by myself.

I have a home computer on which I've learned in my own time. I have used it like a home study course. I have sat down with it day after day, night after night. I have forced it to give up some of its secrets. Now I can use it to do some of the work that I get paid for. And I can do this work in my own home, instead of in an office. Many people may soon be working in a computer at home, just as many now take in other people's typing.

Some things about computers are easier than you may fear. First, computers are logical. Things that at first seem difficult will make sense to you after you learn the rules. Second, it is really not hard to learn enough to use today's machines. You do not need to be a great brain. But you do have to learn to think in new ways. And you do have to keep a good bit of information in your head. Finally, there are many people around who are really enthusiastic (热心的) about computers. These people are always happy to be of help.

The purpose of the passage is to convince readers that, by studying computers at home, people can become ______.

A.computer experts

B.writers about computers

C.computer scientists

D.skilled users of computers

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第9题
Text There was a time when parents who wanted an educational present for their children wo

Text

There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set(一套百科全书).

Now those【C1】______seem hopelessly old-fashioned: this Christmas, there was a lot of【C2】______computers under the tree.【C3】______that computers are their key to success, parents are also frantically insisting that children【C4】______taught to use them in school--as early as possible.

The problem for schools is that when it【C5】______computers, parents don't always know best. Many schools are【C6】______parental impatience and are purchasing hardware【C7】______sound educational planning, so they can say, "OK, we've moved into the computer age." Teachers【C8】______themselves caught in the middle of the problem--between parent pressure and【C9】______educational decisions.

Educators do not even agree【C10】______how computers should be used. A lot of money is going for computerized educational materials【C11】______research has shown can be taught【C12】______with pencil and paper. Even those who believe that all children should【C13】______to computer warn of potential【C14】______to the very young.

The temptation remains strong largely because young children【C15】______so well to computers. First graders have been【C16】______willing to work for two hours on math skills. Some have an attention span of 20 minutes.【C17】______school can afford to go into computing, and that creates【C18】______another problem: a division between the haves and have-nots. Very few parents ask【C19】______computer instruction in poor school districts,【C20】______there may be barely enough money to pay the reading teacher.

【C1】

A.items

B.toys

C.sets

D.series

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第10题
听力原文:The competition among producers of personal computers is essentially a race to ge

听力原文: The competition among producers of personal computers is essentially a race to get the best, most innovative products to the marketplace. Marketers in this environment frequently have to make a judgment as to their competitors' role when making marketing strategy decisions. If major competitors are changing their products, then a marketer may want to follow suit to remain competitive. Apple Computer, Inc. has introduced two new, faster personal computers, the Mackintosh II and Mackintosh SE, in anticipation of the introduction of a new PC by IBM, one of Apple's major competitors.

Apple's new computers are much faster and more powerful than its earlier models. The improved Mackintosh is able to run programs that previously were impossible to run on an Apple PC, including IBM compatible(兼容的) programs. This compatibility feature illustrates computer manufacturers' new attitude of giving customers the features they want. Making Apple computers capable of running IBM software is Apple's effort at making the Mackintosh compatible with IBM computers and thus more popular in the office, where Apple hopes to increase sales. Users of the new Apple can also add accessories(附件) to make their machines specialize in specific uses, such as engineering and writing.

The new computers represent a big improvement over past models, but they also cost much more. Company officials do not think the higher price will slow down buyers who want to step up to a more powerful computer. Apple wants to stay in the high price end of the personal computer market to finance research for even faster, more sophisticated computers.

Even though Apple and IBM are major competitors, both companies realize that their competitor's computers have certain features that their own models do not. The Apple line has always been popular for its sophisticated color graphics(图形), whereas the IBM machines have always been favored in offices. In the future, there will probably be more compatibility between the two companies' products, which no doubt will require that both Apple and IBM change marketing strategies.

(33)

A.Because IBM is changing its computer models continuously.

B.Because it wants to make its machines specialize in specific uses.

C.Because it wants to stay ahead of IBM in the competitive computer market.

D.Because it expects its major competitor IBM to follow its example.

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