Which statement best expresses the main idea of the text? Why did

You eliminate the other choices?

1. Main storage is not a part of the processor.

2. The CPU is made up of the control unit, the arithmetic-logical unit and

internal memory.

3. The CPU is composed of the arithmetic-logical unit and control unit

only.

II. Understanding the passage

Decide whether the following statements are true or false (ТЛР) by referring to the information in the text. Then make the necessary changes so that the false statements become true.

1. The central processing unit is made up of three components.

2. The CPU is responsible for all the activities taking place within a computer.

3. The processor itself has three components.

4. The control unit directs the flow of information within the processor.

5. The arithmetic-logical unit of the processor is responsible for the interpretation of program instructions.

 

6. The arithmetic-logical unit is also responsible for choosing and comparing the appropriate information within a program.

7. The processor cannot operate on any information if that information is

not in main storage.

8. Secondary memory and internal memory are located in the same place

in the computer system.

9. Only after the data has been processed by the CPU results can be

transmitted to an output device.

10. Computers can solve problems more quickly if they operate on new

information.

III. Locating information

Find the passages in the text where the following ideas are expressed.

Give the line references.

____ 1. The processor is the control unit and the arithmetic-logical unit

____ 2. The processor operates on information that is in internal storage.

____ 3. The CPU directs all the activities of the computer.

____ 4. The control unit coordinates the sequencing of events within the

processor.

____ 5. The word 'computer' usually refers to the CPU plus internal memory.

____ 6. The CPU can get information from memory and put old or new

information back into memory.
____ 7. The arithmetic-logical unit does the calculations and decision-making

operations.

IV. Contextual reference

Look back at the text and find out what the words in bold typeface

Refer to.

1. for their particular computer ____________

2. It determines which operations ____________

3. These two units are made up of ____________

4. that can be in one of two states _____________

5. that directs the sequence _____________

 

6. in which the actual arithmetic operations _____________

7. It also performs some kind of _____________

8. on which the control unit and the

arithmetic-logical unit operate ____________

9 where manual control operations ____________

10. It is used mainly when the computer ____________

V. Understanding words

Refer back to the text and find synonyms for the following words.

1. specific ____________

2. decides ____________

3.job ____________

4. movement__________________

5. situated

Now refer back to the text and find antonyms for the following words.

6. exceptional

7. generally ____________

8. not needed__________________

9. taken out

10. shut down ____________

VI. Word forms