X. Поставьте следующие предложения в отрицательную и

вопросительную форму.

 

1. The central processor manages the data flow efficiently.

Q. Does the central processor manages the data flow efficiently?

Q. How does the central processor manages the data flow?

N. The central processor does not manages the data flow wastefully.

2. The microprocessor first appeared in 1971.

Q. The microprocessor first appeared in 1971, didn’t it?

Q. When did the microprocessor first appear?

N. The microprocessor did not first appear in 1975.

3. IBM is investigating parallel processing to improve the efficiency.

Q. Is IBM investigating parallel processing to improve the efficiency?

Q. Why is IBM investigating parallel processing?

N. IBM is not investigating parallel processing to improve the inefficiency.

4. Schoolchildren use personal computers for doing their homework.

Q Do schoolchildren use personal computers for doing their homework?

Q. For what purpose do schoolchildren use personal computers?

N. Schoolchildren do not use personal computers for doing their breakfast.

5. The productivity of the hardware has increased greatly in recent years.

Q. Has the productivity of the hardware increased greatly in recent years?

Q. How much has the productivity of the hardware increased in recent years?

N. The productivity of the hardware has not increased greatly in recent years.

6. In the 1950-ies the transistor replaced the vacuum tube.

Q. Did the transistor replace the vacuum tube in the 1950-ies?

Q. When did the transistor replace the vacuum tube?

N. In the 1950-ies the transistor did not replaced the vacuum tube.

7. Recent achievements have resulted in a microprocessor revolution.

Q. Have recent achievements resulted in a microprocessor revolution?

Q. What have resulted in a microprocessor revolution?

N. Recent achievements have not resulted in a microprocessor revolution.

8. The microprocessor revolution began in the middle of the 1970-s.

Q. The microprocessor revolution began in the middle of the 1970-s, didn’t it?

Q. When did the microprocessor revolution begin?

N. The microprocessor revolution did not begin in the middle of the 1970-s.

9. Hardware is useless without software.

Q. Is hardware useless without software?

Q. When is hardware useless?

N. Hardware is not useless without software.

10. Each memory cell has its own unique address.

Q. Does each memory cell have its own unique address?

Q. What does have its own unique address?

N. Each memory cell does not have its own unique address.

11. Computers will create an advanced technological society.

Q. Will computers create an advanced technological society?

Q. What will computers create?

N. Computers will not create an advanced technological society.

12. A virus spreads very rapidly.

Q. What does spread very rapidly?

Q. How rapidly does virus spread?