Task 2. Answer the questions

 

1. What capabilities should data-processing systems combine when designed? 2. What are the main advantages of comput­ers? 3. What do you know of computers accuracy? 4. What is the function of communication networks? 5. Give examples of a data communication network. 6. What do you understand by capacity storage? 7. What other values of computer data pro­cessing systems do you know? 8. What is an important objec­tive in the design of computer data processing systems? 9. What is the most effective computer data processing system? 10. What is the best way of responding to the challenges and opportuni­ties of our post-industrial society?

 

Task 3. Give English equivalents.

Система обработки информации компьютером; систе­ма ориентирования на обработку данных компьютером; сочетать возможности человека и машины; ограничивать управление; вряд ли допустят ошибку; оставаться уязви­мым; недопустимые данные; легкость осуществления свя­зи; сеть передачи информации; системы, основанные на использовании спутников; служащие по резервированию жилья; получить мгновенный ответ; наводить справки; хранилище данных; корпоративная база данных; объем памяти; запоминать огромное количество информации; извлекать информацию; добавить значимости; упомяну­тый выше; доля секунды; подверженный ошибкам; эконо­мически оправданный.

Task 4. Write these sentences in Past Simple and Future Simple.

1. Computers can replace people in dull routine work. 2. The program is a set of instructions that may also include data to be processed. 3. Computer-controlled robots must increase the pro­ductivity of industry. 4. They can help in making different de­cisions. 5. The pupils may work with computers at the lessons. 6. Electric pulses can move at the speed of light. 7. Storage de­vices must have capacities for the input, output data and pro­grams and for intermediate results. 8. Business minicomputers can perform to 100 million operations per second. 9. In order to solve scientific problems researchers must deal with the lan­guage of science — mathematics. 10. Programmers must write application programs in a way that computers can understand.

 

Tests.

Test 1.

1. Computer data____ system frees humans from routine error-prone tasks.

a) counting; b) computing: c) processing.

2. Computers can store vast amount of information to organize it and … it.

a) to travel; b) to retrieve; c) to respond.

3. The entered data can be transmitted by________ networks.

a) communications; b) conversions; c) procession.

4. The possibility of_______ is reduced if data were correctly put into the data processing system.

a) character; b) access; c) error.

5. Computer data processing systems can________ at a fraction of a second.

a) receive; b) respond; c) retrieve.

6. Computer systems are vulnerable to the entry of_________ data.

a) invalid; b) invariable; c) invisible.

7. As soon as data were entered into the system correctly, the human … is limited.

a) computation; b) information; c) manipulation.

8. The amount of data stored on magnetic discs is constantly ….

a) decreasing; b) increasing; c) eliminating.

 

Test 2.

1. Inputting a) saving information for further processing;

2. Character b) the process of producing useful information;

3. Database c) meaningful collections of related characters;

4. Data elements d) the most common input device;

5. Controlling e) the part of the computer that receives and stores data for processing;

6. Outputting f) directing the sequence of the operations performed;

7. Memory g) a written language symbol;

8. Record h) a collection of related data elements

9. Keyboard i) a set of related facts;

10. Storing j) the process of entering collected facts into a data processing system.

 

Unit V.

Computer systems.

Text 1.

Computer system architecture.