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4. Answer the following questions.

1. When did the first personal computer appear?

2. What was one of the first PC models?

3. What is a personal computer?

4. What are the main characteristics of PC?

5. What does the term “microprocessor-based” mean?

6. What is the typical word size of a PC?

7. How is input carried out in personal computers?

8. What principle storage devices do PC use?

9. Can all microcomputers be personal computers?

10. What differs from microcomputers and from large computer systems?

Exercises

1. Answer the following questions, using information from the text

2. Find in the text English equivalents to the following Ukrainian word combinations; learn them by heart.

Конкуруюча операційна система; з’являються щоденно; вплутатися в бійку; кращий комп’ютер; використовувати гнучкі диски; незалежно від мети; низько швидкісний принтер з по символьним друком; головний постачальник на комп’ютерному ринку; залишитися у стороні; дозвілля; інтерактивний режим; витримувати конкуренцію; вивести на екран; розмір слова; іграшка на любителя; за допомогою; суцільна мікросхема з кремнію; компоненти меншої потужності; відмінна риса; універсальний; пристрої (не)автономного зберігання даних; технічна підготовка; доступний; можливий з фінансової точки зору.

3. Give synonyms to the following words

To distinguish, to introduce, speed, memory, daily, principal, application, floppy, purpose, major, to provide, accessible, background, a wide array of, capability, increasingly, developments.

4. From the following choose the words which are nearly the same in meaning.

To name, to complete, to calculate, to develop, to keep, to interprete, to communicate, to fulfill, to apply, to translate, to improve, to build, to call, to store, to figure out, to perform, to use, to finish, to construct, to connect.

5. Translate the following words paying attention to the negative meaning of prefixes: dis, in, un, non, ir.

dis – disadvantage, disconnect, disappear, disclose, discontinue, disintegrate, discriminate, discharge, discolour, discourage, discover, discredit.

in – invisible, inaccurate, inactive, incapable, insignificant, ineffective, indifferent, indecisive, incorrect, inconsiderable, inconsistent.

un – uncomfortable, unbelievable, uncharged, uncommunicative, unexpected, unfavourable, unkind, unforgettable

non – non-effective, noncomparable, noncontrollable, nonconstant, nondigital, nonprogrammable, nonusable.

ir – irregular, irrelative, irrelevant, irresponsible, irrecognizable, irrational.

6. Translate the following sentences paying attention to such conjunctions as: both … and, as well as, not only, …but also, either … or, neither… nor.

1. These devices can perform both input and output functions. 2. Data are recorded on magnetic discs and the tapes either by outputting the data from primary storage or by using a data recorder. 3. Neither the programmer nor the analyst could explain the cause of the computer errors. 4. Data as well as instructions must flow into and out of a primary storage. 5. This grammar exercise is not only to long but also very difficult. 6. Character printers are used with all microcomputers as well as on computers of all sizes. 7. The CPU functional units can be in one of two states either “on” or “off”. 8. PCs memory as well as its word size must be smaller than those of minicomputers. 9. Personal computers can be used both for leisure activities in the home and for business applications in the office.