Test. Choose the right variant.

People are worried that children's dependence on computers may result in

1. serious learning difficulties.

2. serious problems with health

3. families having communication problems

4. permanent anxieties.

 

 

The idea of computer-dependent adults is acceptable because

1. They can control their violent imaginations easily.

2. They are old enough to make their own decisions

3. They can not stop looking at the flashing screen.

4. They don't only use the computers for game.

 

 

Computer-dependent children

1. concentrate on the screen for short periods only.

2. become violent or aggressive

3. find it hard to communicate with other children.

4. stammer more often than other children

 

 

Some experts believe that in the future

1. Every teacher will have a PC in the classroom

2. It will be too expensive to give each schoolchild a computer.

3. Children will be educated at home using computers.

4. Most teaching will be done by computers

 

What is the real problem behind children's dependence on computers, ac­cording to the child psychologist?

1. Children's learning can be slowed down.

2. Parents do not participate in their children's education.

3. Children regard computers as toys not tools.

4. Parents do not have confidence when using computers.

 

Tests

Test1

1. Information is given into the computer in the form of ….

a) ideas; b) characters; c) rules.

2. The basic function of a computer is … information.

a) to switch; b) to keep; c) to process.

3. The data needed for solving problems are kept in the ….

a) memory; b) input device; c) output device.

4. Inputting information into the computer is realized by
means of.

a) a printer; b) letters; c) diskettes.

5. A computer can carry out arithmetic-logical operations

a) quickly; b) instantaneously; c) during some minutes.

6. Computers have become___ in homes, offices, research

institutes.

a) commonwealth; b) commonplace; c) common room.

7. Space_____ uses computers widely.

a) information; b) production; c) exploration.

8. Computers are used for image____.

a) processing; b) operating; c) producing.

9. Computers help in____ of economy

a) environment; b) management; c) government.

10. Air traffic control depends on computer- … information.

a) generated; b) instructed; c) combined.

 

Test 2.

1. Computer a) a machine by which information is received from the computer;

 

2. Data b) a device capable of storing and manipulating numbers, letters and characters;

 

3. Input device c) an electronic machine that processes data under the control of a stored program;

 

4. Memory d) a disk drive reading the information into the computer;

5. Output device e) information given in the form of characters.

 

Test 3.

Put the verbs into Simple Past или Present Perfect and translate the sentences.

1. Since computers were first introduced to the public in the early O's, technology (change) a great deal.

2. The first computers (be) simple machines designed for basic tasks.

3. They (have, not) much memory and they (be, not) very powerful.

4. Early computers were often quite expensive and customers often y) thousands of dollars for machines which actually (do) very little.

5. Most computers (be) separate, individual machines used mostly expensive typewriters or for playing games.

6. Times (change). Computers (become) powerful machines with very practical applications.

7. Programmers (create) a lot of useful programs which do everything from teaching foreign languages to bookkeeping.

8. We are still playing video games, but today's games (become) faster and more interesting.

9. Many computer users (get, also) on the Internet and (begin) communicating with other computer users around the world.

 

Unit III.

History of computers.

Text 1.

The first calculating devices.