3. Language

Ex. 6 Match word and word combinations in column A with those in column B:

the input of a computer an auxiliary equipment at the rate of 4. a high-speed line-print­er 5. for efficient use 6. a storage device 7. a factor of advantage 8. the output unit 9.. punched holes 10. presence and absence

наявність та відсутність перферичні отвори 3.прилад вводу 4.швидкісний рядководрукуючий пристрій 5.коефіціент переваги 6. зі швидкістю 7. для ефективного використання 8. допоміжний засіб 9. засіб вводу комп’ютера 10. запам’ятовуючий пристрій

Ex. 7 Make the sentences complete using the information from the text .:

1.The peripheral equipment is slow as compared with… .

2. Devices called buffers may be used for efficient use of the computer's ... .

3. A human being is known to type at the rate ... .

4. The ratio between a computer speed and the output speed of a human being gives a factor of ... to a computer.

5. The input unit accepts the data . . . and pro­grams for . . .

Ex 8 Look through the text and find the words which mean the following.

1. A section of the computer which accepts information from outside the computer.

2. Device or devices which put out information of the computer.

3. Storage devices accepting information at a very high speed from the computer and releasing information at the proper speed for the peripheral equipment.

Ex. 9. Find in the text the sentences with Infinitive. Define its function and translate it.

4. Comprehension

Ex. 10 Agree or disagree with the following statements.

1. To be accepted by the machine, information for a digital computer has to be in the form of symbols.

2. The input unit makes possible communication from the other data-handling equipment and human being to the computer.

3. The output of a computer is known to vary according to the receiving of the in­formation.

4. All peripheral equipment is slow as compared with, the computer.

5. The computer can easily put out in­formation in a form acceptable to human beings.

6. A human being is known to write by hand at the rate of about 100 words per minute.

7. The characters are regularly expressed for the computer's purposes as six or seven 1’s and 0’s.

Ex. 11 Answer the following questions:

1. What is the general purpose of the input unit?

2. How may the 1’s and O's be expressed for the computer?

3. What is the general purpose of the output unit?

4. What does the peripheral equipment consist of?

5. What is the general pur­pose of a buffer?

6. What is the ratio between a computer's speed and the top output speed of a human being?

7. How are input and output devices usually called?

Ex. 12 Make up the plan of the text.

V. Oral practice

Ex. 13. Prove the communication ability of the computer.

Ex. 14 Compare computer with other peripheral devices.

Ex. 15. Speak on the topic “Input and output unit” using the plan from Ex.11