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Home computers can be used for ______.
A．writing letters
B．playing games
C．doing business
D．all of the above
答案
更多“Home computers can be used for ______.A．writing lettersB．playing gamesC．doing businessD．al”相关的问题
第1题
Which is NOT mentioned about what you can do to help people with computers？
A．Setting up new computers.
B．Organizing training courses.
C．Removing viruses and spyware.
D．Maintaining home networks.
第2题
A．Because of the data that contain credit card information.
B．Because of the data that contain social security numbers.
C．Because of the machines that control the high speed linkds which in mm can be used for spamming, and fraud.
D．Because of less protection of home computers.
第3题
What does this store do？
A．Rent computers only.
B．Rent computers and office furniture.
C．Rent and sell computers.
D．Rent and repair computers only.
第4题
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
第5题
Laptop(便携式) computers are popular all over the world. People use them on trains and air planes, in airports and hotels. These laptops connect people to their workplace. In the United States today, laptops also connect students to their classrooms.
Westlake College in Virginia will start a laptop computer program that allows students to do schoolwork anywhere they want. Within five years, each of the 1,500 students at the college will receive a laptop. The laptops are part of a $ 10 million computer program at Westlake, a 100-year-old access to the Internet. In addition, they will be able to use E-mail to "speak" with their teachers, their classmates, and their families. However, the most important part of the laptop program is that students will be able to use computers without going to computer labs. They can work with it at home, in a fast food restaurant or under the tree -- anywhere at all!
Because of the many changes in computer technology, laptop use in higher education, such as, colleges and universities, is workable. As laptops become more powerful, they become more similar to desktop computers. In addition, the portable (可携带的) Internet, but also libraries and other re sources. State higher-education officials are studying how laptops can help students. States officials al so are testing laptop programs at other universities, too.
At Westlake College, more than 60 percent of the staff use computers. The laptops will allow all teachers to use computers in their lessons. As one Westlake teacher said, "Here we are in the middle of Virginia and we're giving students a window to the world. They can see everything and do every thing."
The main purpose of the laptop program is to give each student a laptop to ______.
A．use for their schoolwork
B．get access to the Internet
C．work at home
D．connect them to libraries
第6题
Some of the computer experiments now going on inspire exciting visions of the future. For example, scientists are working on devices that can electronically perform. some sight and hearing functions, which could make life easier for the blind and deaf. They're also working on artificial arms and legs that respond to the electric impulses produced by the human brain. Scientists hope that some day a person who's lost an arm could still have near-normal brain control over an artificial arm.
Video games, computerized special effects in movies, and real-life training machines now being used by the US Army are causing some people to predict new educational uses for computers. Computers could some day be used to simulate travel to other planets, to explore the ocean floor, or to look inside an atom.
Experiments with electronic banking and shopping inspire predictions that these activities will soon be done from home computer terminals. Cars, too, might be equipped with computers to help drivers find their way around (Honda has one in an experimental car) or to communicate with home and office computers. Many people, including handicapped workers with limited ability to move around, already are working at home using computer terminals. Each terminal is connected to a system at a company's main office. Some futurists say the day may come when few people will have to leave home to go to work -- they'll just turn on a terminal
A growing number of factories such as the General Motors Plant in Newark, Delaware, "hire" computerized robots to perform. tasks such as spot welding. Some executives get a gleam in their eyes as they envision the spread of these "perfect workers" -- no coffee breaks, no strikes, and no vacations or sick days.
These modern and potential computer uses are possible because of the silicon microchip.
These chips, which have become increasingly complex since their beginning in 1959, contain a network of information pathways. Electronic impulses travel along the paths. The plans for a chip look much like a city street plan and can be as large as a football field. It can take as long as three months to complete a new chip design. Chips are used to store information, too. An entire "computer" can be put onto one chip -- called a microprocessor.
As chips become even more complex, easier to make, and less costly, futurists predict limitless possibilities. A group of Japanese scientists is working on a new generation of computers, which they hope will be able to understand vocal instructions, talk back to their users, and automatically try out alternate solutions to a problem to come up with the best answer.
Some people say that the humans of the future will never be without their companion -- computers. Predicting the future can be tricky, of course. In 1948 an IBM study predicted that there would never be enough demand for computers to justify going into the business!
What is the purpose of the passage？
A．To tell the readers what computers will look like in the future.
B．To show the close relations between man and computers.
C．To tell the readers how important silicon microchips are.
D．To talk about the possible future uses of computers.
第7题
Computers in Cars
You're far from home on a lonely road. Shadowy forests stretch away on both sides. A thick mist (雾) makes it difficult to see far beyond your car's windshield (挡风玻璃).
"Can this be route 90A？" you wonder. If it is, you should be near a town. Yet there's no hint of one. Night is closing in. And you're low on gasoline.
This is a situation where an in-car computer that can navigate would be a big help.
A car computer that navigates？ Yes! Such computers exist. Several experimental models are being tested by General Motors, Ford, Chrysler, and several foreign car makers. These computers vary in detail. But they all contain series of maps on videodiscs or videotapes. For example, one computer system contains 13,300 maps covering the continental US.
Before starting out on a trip, a driver can type in the code for the region he or she plans to drive through. The computer then shows a map of that region. At the same time, a tiny radio receiver linked to the computer goes to work. It picks up signals from navigation satellites such as the NAVSTAR network. Using these signals, the computer shows the car's position at all times and displays this position on the map. The computer can also calculate and display the best route to follow.
A navigation computer may also receive and use data about road construction, weather conditions, and traffic jams. This information would be displayed to the driver and the computer would also use the information to work out alternate (交替的) routes.
Most cars nowadays also contain computers that help cars run more efficiently. Microprocessors (微处理机) control certain engine functions by regulating the mixing of fuel. Data on car speed, oil pressure, revolutions per minute, engine temperature, and fuel level can be displayed as digital data (numbers) or warning lights.
Some auto designers suggest that a central computer display be used to clearly present such timely information as car speed and fuel level. Warning lights would indicate a drop in oil pressure or a sudden rise in engine temperature. To get more information on these conditions, the driver could call it up on the computer display screen. When needed, the computer could be "asked" to provide navigation aid or information about the car's condition.
By describing a typical situation of a lost driver on the road, the author intends to
A．make us believe how complex the highway computer network is.
B．let us know how in-car computers are linked to road signs.
C．show us how helpful a navigation computer can be.
D．tell us that NAVSTAR has come into use.
第8题
根据材料，回答题。
Computers in Cars
You"re far from home on a lonely mad. Shadowy forests stretch away on both sides. A thick mist（雾） makes it difficult to see far beyond your car"s windshield （挡风玻璃）.
"Can this be route 90A？" you wonder. If it is， you should be near a town. Yet there"s no hint of one. Night is closing in. And you"re low on gasoline.
This is a situation where an in-car computer that can navigate would be a big help.
A car computer that navigates？ Yes! Such computers exist. Several experimental models are being tested by General Motors， Ford， Chrysler， and several foreign car makers. These computers vary in detail. But they all contain series of maps on videodiscs or videotapes. For example， one computer system contains 13，300 maps covering the continental US.
Before starting out on a trip， a driver can type in the code for the region he or she plans to drive through. The computer then shows a map of that region. At the same time， a tiny radio receiver linked to the computer goes to work. It picks up signals from navigation satellites such as the NAVSTAR network. Using these signals， the computer shows the car"s position at all times and displays this position on the map. The computer can also calculate and display the best route to follow.
A navigation computer may also receive and use data about road construction， weather conditions， and traffic jams. This information would be displayed to the driver and the computer would also use the information to work out alternate （交替的）routes。
Most cars nowadays also contain computers that help cars run more efficiently. Microprocessors （微处理机） control certain engine functions by regulating the mixing of fuel. Data on car speed， oil pressure， revolutions per minute， engine temperature， and fuel level can be displayed as digital data （numbers） or warning lights.
Some auto designers suggest that a central computer display be used to clearly present such timely information as car speed and fuel level. Warning lights would indicate a drop in oil pressure or a sudden rise in engine temperature. To get more information on these conditions， the driver could call it up on the computer display screen. When needed， the computer could be"asked" to provide navigation aid or information about the car"s condition.
By describing a typical situation of a lost driver on the road， the author intends to 查看材料
A.make us believe how complex the highway computer network is
B.let us know how in-car computers are linked to road signs
C.show us how helpful a navigation computer can be
D.tell us that NAVSTAR has come into use
第9题
Computers in Cars
You ’re far from home 0n a lonely road．Shadowy forests stretch away 0n both sides．A thick mist （雾）makes it difficult to see far beyond your car’s windshield（挡风玻璃）．
“Can this be route 90A？ ” you wonder． If it is，you should be near a town． Yet there’s no hint of one． Night is closing in． and you’re low on gaso1ine．
This is a situation where an in-car computer that can navigate Would be a big help．
A car computer that navigates？ Yes! Such computers exists． Several experimental models are being tested by General Motors，Ford，Chrysler，and several foreign car markets．These computers vary in details． But they a11 contain series 0f maps on Vediodiscs or videotapes． For example，one computer system contains 1 3，300 maps covering the Continental US．
Before starting out 0n a trip，a driver can type in the code for the region he 0r she plans to drive though．The computer then shows a map 0f that region． At the same time， a tiny radio receiver linked to the computer goes to work． It picks up signals from navigation satellites such as the NAVSTAR network． Using these signals， the computer shows a the car’s position at all times and displays this position on the map． The computer can also calculate and display the best route to follow．
A navigation computer may also receive and use data about road construction． weather conditions，and traffic jams． This information would be displayed to the driver and the computer would also use the information to work out alternate（交替的）routes．
Most ears nowadays also contain computers that help cars run more efficiently． Microprocessors （微处理机的）Control certain engine functions by regulating the mixing of fuel．Data on car speed， oil pressure，revolutions per minute， engine temperature， and fuel level can be displayed as digital data（numbers）or warming lights．
Some auto designers suggest that a central computer display can he used to clearly present such timely information as ear speed and fuel level． Warning 1ights would indicate a drop in oil pressure or a sudden rise in engine temperature． To get more information 0n these conditions， the driver would call it up on the computer display screen． When needed，the computer could he “asked” to provide navigation aid or information about the car’s Condition．
第 6 题 By describing a typical situation of a lost driver on the road，the author intend to
A．make us believe how complex the highway computer network is．
B．let us know how in-ca computers are linked to road signs
C．show us how helpful a navigation computer would be
D．tell us that NAVSTAR has collie into use．
