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Электроника

Past Simple



I. Put the verbs in the Past Simple Tense. Mind the reading of –ed ending:

to use, to process, to record, to stop, to store, to design

II. Give the forms of Past Simple of the following verbs:

to read, to write, to make, to build, to send, to keep, to put, to know

III. Express agreement using “You are right”:

1. Computers began to use transistors in 1955.

2. The third generation of computers used integrated circuits.

3. In the early 1960’s semiconductor makers created a new technology.

4. In 1945 Dr. Neuman worked out the concept of the stored program.

5. Ch. Babbage designed his Analytical Engine to perform four arithmetic operations.

IV. Change the following sentences into interrogative and negative forms:

1. The student made an interesting report on the problems of storage capacity.

2. He studied five programming languages.

3. At his last lecture the professor spoke about the invention of computers.

4. Early computers used magnetic cores in their main memory.

5. Two major developments occurred in the late 1940’s: the construction of programmable electronic computers and the invention of the transistor.

V. Ask for the additional information:

1. Last month they carried out many experiments.

2. B. Pascal invented the first mechanical adding machine.

3. Last year he studied such programming languages as PASCAL and C.

4. They attended this professor’s lectures.

5. It took me much time to write a report.

VI. Put the verbs in brackets in the correct form of Past Simple:

1. Ch. Babbage and Lady Lovelace, Lord Byron’s daughter, (to work out) a coded program. Lady Lovelace (to be) a brilliant mathematician. She (to believe) and fully (to understand) the potentialities of the Analytical Engine. She (to take) an active part in Babbage’s experiments. So it is fair to say that she (to be) the world’s first computer programmer.

2. About seventy years (to pass) before the production of the first digital computer, similar to Babbage’s Analytical Engine.

3. The use of transistors instead of vacuum tubes (to make) these computers smaller, more powerful and more reliable.

VII. Translate into English:

1. Лейбниц изобрел первую вычислительную машину, которая выполняла умножение.

2. Как часто вы работали в дисплей-классе в прошлом году?

3. Первый электронный компьютер весил около 30 тонн.

4. Кто создал первую логарифмическую линейку.

5. Когда Айкен начал работать над первым полностью автоматическим цифровым компьютером?

6. Использование кремниевых чипов вместо транзисторов привело к изобретению микрокомпьютеров в 70х годах 20 века.

7. Документ включал описание памяти, сохраняемой программами.

8. Эд Робертс мечтал снабдить обычного человека машиной, способной выполнять его приказы.

 




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