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3. Прочитайте и переведите текст:

It is interesting to note that memory, one of the basic components of the computer, is often called storage. It stores calculation programs, the calculation formulae, initial data, intermediate and final results. Therefore, the functions of the computer memory may be classified in the following way. Firstly, the computer memory must store the information transmitted from the input and other devices. Secondly, memory should produce the information needed for the computation process to all other devices of the computer.

Generally, memory consists of two main parts called the main, primary or internal, memory and the secondary, or external memory. The advantage of the primary memory is an extremely high speed. The secondary memory has a comparatively low speed, but it is capable of storing far greater amount of information than the main memory. The primary storage takes a direct part in the computational process. The secondary storage provides the information necessary for a single step in the sequence of computation steps.

The most important performance characteristics of a storage unit are speed, capacity, and reliability. Its speed is measured in cycle time. Its capacity is measured by the number of machine words or binary digits. Its reliability is measured by the numbers of failures per unit of time.

4.Поставьте предложения в отрицательную форму:

1.Memory stores different programs, data and results.

2.The functions of the computer memory may be classified in the following way.

3.Memory should produce the information needed for the computation process to all other devices of the computer.

4.The advantage of the primary memory is an extremely high speed.

5.The secondary memory has a comparatively low speed.

6.The primary storage takes a direct part in the computational process.

7.The secondary storage provides the information necessary for a single step in the sequence of computation steps.

8.The speed of the storage unit is measured in cycle time.

9.The most important performance characteristics of a storage unit are speed, capacity, and reliability.

5.Согласитесь с утверждением или опровергните высказывание:

1.Memory is not one of the basic components of the computer.

2.Memory stores calculation programs, the calculation formulae, initial data, intermediate and final results.

3.The computer memory must store the information transmitted from the output and other devices.

4.Memory should produce the necessary information.

5.The main parts of memory are called internal and external memory.

6.The disadvantage of the primary memory is an extremely low speed.

7.The secondary memory has a comparatively high speed.

8.The most important performance characteristics of a storage unit are speed, capacity, and reliability.

9.The capacity of a storage unit is measured by the quality of software.

6.Найдите в тексте ответы на вопросы:

1.What is memory?

2.What is the function of memory?

3.What are the main parts of memory?

4.What are the advantages and disadvantages of a storage unit?

5.What are their functions?

6.What are performance characteristics of the main and secondary memory?

7.What units are performance characteristics measured by?

7. Кратко изложите содержание текста на английском языке.

МОДУЛЬ 6

HARDWARE, SOFTWARE AND FIRMWARE

1. Выучите слова и словосочетания по теме:

2. Повторите порядок слов в английском предложении. Приведите примеры простых безличных предложений, используя выученную лексику.

В английском предложении каждый член предложения, как правило, имеет свое определенное место. В простом распространенном повествовательном предложении на первом месте стоит

1) подлежащее, 2) сказуемое, 3) второстепенные члены предложения

(дополнение и обстоятельства образа действия, места, времени).

Например: 1) I, 2) gave, 3) mу brother, 3) a book, 4) yesterday.

Английские предложения отличаются от русских тем, что в них всегда есть подлежащее и сказуемое. Поэтому в безличных предложениях в качестве формального подлежащего используется местоимение it. Очень часто безличные предложения описывают явление природы, состояние погоды, обозначают время, расстояние:

It is cold today. Сегодня холодно. It rains. Идет дождь. It's nice to meet you. Приятно познакомиться. It is nine o'clock now. Сейчас девять часов.

Вопросительная и отрицательная формы безличных предложений образуются по тем же правилам, что и вопросительные и отрицательные формы предложений с именным составным сказуемым. Частица not ставится после первого вспомогательного глагола. Например: Is it cold? – Холодно? Wasn't it interesting? – Разве это не было интересно? Isn't it funny? – Разве это не смешно?

Оборот there is / there are служит для выражения наличия (отсутствия) какоголибо предмета в определенном месте или в определенное время. Выбор формы глагола to be зависит от числа существительного, следующего сразу за ним:

There is a chair and two armchairs in the room. – В комнате стул и два кресла. There are two armchairs and a chair in the room. – В комнате два кресла и стул.

Вопросительные предложения с оборотом there is / there are строятся следующим образом:

Общий вопрос: Is there anything in the bag? Will there be lessons tomorrow? Специальный вопрос: What is there in the bag?

3.Прочитайте и переведите текст:

The units that are visible in any computer are the physical components of a data processing system, or hardware. Thus, the input, storage, processing and control devices are hardware. Not visible is the software – the set of computer programs, procedures, and associated documentation that make possible the effective operation of the computer system. Software programs are of two types: systems software and applications software.

Systems software includes the programs designed to control the operation of a

computer system. They do not solve specific problems. They are written to assist people in the use of the computer system by performing tasks, such as controlling all of the operations required, to move data into and out of a computer and all of the steps in executing and applications program. The person who prepares system software is referred to as a systems programmer. Systems programmers are highly trained specialists and important members in the architectural team.

Applications software consists of the programs written to solve specific problems (applications), such as payroll, inventory control, and investment analysis. The word program usually refers to an applications program, and the word programmer is a person who prepares applications software.

Often programs, particularly systems software, are stored in an area of memory not used for applications software. The protected programs are stored in an area of memory called read-only memory (ROM), which can be read from but not written on.

Firmware is a term that is commonly used to describe certain programs that are stored in ROM. Firmware often refers to a sequence of instructions (software) that is substituted for hardware. For example, in an instance where cost is more important than performance, the computer system architect might decide not to use special electronic circuits (hardware) to multiply two numbers, but instead write instructions (software) to cause the machine to accomplish the same function by repeated use of circuits already designed to perform addition.

4. Укажите подлежащее, сказуемое и второстепенные члены в каждом предложении:

1.The input, storage, processing and control devices are hardware.

2.Systems software includes the programs designed to control the operation of a computer system.

3.They do not solve specific problems.

4.They are written to assist people in the use of the computer system by performing tasks.

5.Systems programmers are highly trained specialists and important members in the architectural team.

6.Applications software consists of the programs written to solve specific problems (applications), such as payroll, inventory control, and investment analysis.

7.Often programs, particularly systems software, are stored in an area of memory not used for applications software.

8.Firmware is a term that is commonly used to describe certain programs that are stored in ROM.

9.The computer system architect might decide not to use special electronic circuits (hardware) to multiply to multiply two numbers.

10.The machine can accomplish the same function by repeated use of circuits.

5.Опровергните высказывания:

1. The physical components of a data processing system are visible in any computer.

2.They are written to assist people in the use of the computer system.

3.The person who prepares systems software is referred to as a systems programmer.

4.Systems programmers are highly trained specialists and important members in the architectural team.

5.The word program usually refers to an applications program.

6.The protected programs are stored in an area of memory called read-only memory (ROM).

7.Firmware is a term describing certain programs that are stored in ROM.

8.The computer system architect might decide not to use special electronic circuits (hardware) to multiply two numbers.

9.The computer system architect writes instructions to cause the machine to accomplish the same function.

6. Составьте повествовательные предложения, используя слова из таблицы:

7. Напишите предложения в вопросительной форме (общий вопрос):

1.There is some lemonade for you.

2.There is a cheque on the desk.

3.There are some museums in the city.

4.There are some matches in the box.

5.There is a bar in this street.

6 There are a few questions to discuss now.

7.There is a nice place to visit in this country.

8.There are some traveller's cheques in the briefcase.

9.There is no river flowing through your town.

10.There are no questions to ask.

11.There is somebody here.