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VI. Main idea Which statement or statements best express the main idea of the text? Why did you eliminate the other choices?

 1. The digital computer is the most efficient one.

 2. Computers differ from one another in terms of operating principles.

 3. All computers have the same basic components.

 4. The hybrid computer is the easiest to operate.

VII. Understanding the passage Decide whether the following statements are true or false (T/F) by referring to the information in the text. Then make the necessary changes so that the false statements become true.

T F

  1. Three general types of computers differ from one another only in equipment design.

  2. The basic job of computers is the processing of information.

  3. The digital computer gets its name because the data represented to it are made up of a digit code.

  4. The results of arithmetic and logic operations performed by digital computers require further processing by an operator.

  5. The hybrid computer combines the operating principle of the digital computer and equipment design of the analog one.

  6. Computers can be defined as devices which accept information in the form of instructions, perform various operations and then supply the results of these operations.

VIII. Locating information Find the passages in the text where the following ideas are expressed. Give the line reference.

…… 1. The hybrid computer is a combination of both digital and analog computers.

…… 2. Computers use special instructions to solve problems.

…… 3. Analog and digital computers have different operating principles.

…… 4. In recent years hybrid systems have become widely used in military industry.

…… 5. The results of the operations performed by digital computers can be used by people without any further processing.

IX. Contextual reference Look back at the text and find out what the words in bold typeface refer to.

1. … that solve problems …

2. … It counts, lists, compares …

3. … within its memory …

4. … the formerthe latter

5. … it utilizes data …

(l. 2) ………………………

(l. 11) ………………………

(l. 13) ………………………

(l. 20) ………………………

(l. 22) ………………………

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

1. kind

2. usage

3. to save

4. to carry out

5. different

(l. 5) ………………………

(l. 8) ………………………

(l. 13) ………………………

(l. 18) ………………………

(l. 18) ………………………

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

6. like

  1. constant

  2. incomprehensible

  3. drawback

10.general

(l. 9) ………………………

(l. 10) ………………………

(l. 16) ………………………

(l. 19) ………………………

(l. 21) ………………………