Ex. 13 Find in the text where it is said about the points given below. Put down the number of the paragraph

1. The categories of resident viruses

2. Viruses which consist of a finder modules and a replication module

3. Some slow infectors are designed to infect hosts infrequently

4. The virus infects every suitable program

5. Fast infector can infect every potential host file

Ex. 1 4 Find the synonyms to the following words in the text:

1. answerable (1)

2. to hire (2)

3. perform(2)

4. guarantee (2)

5. to inspire (2)

6. approach (3)

7. instruction(5)

8. execute (4)

Ex. 15. Give Ukrainian equivalents to the following words and word –combinations. Find these words in the text, read and translate them:

1. to load

2. to subdivide

3. virus scanner

4. to rely

5. to infect

6. detection

7. suspicious actions

8. successful

Ex. 16 Find the terms in the text which describe the following. Put down the number of the paragraph

 a. a collection of information on one subject that is stored in a computer or disk

 b. to prevent sth happening or to try not to do sth.

 c. instructions that are put into a computer program in order to stop it working

 d. a thing that is difficult to deal with or to understand

 e. to perform a task, or to put a plan into action

 f. the qualities or abilities that that something or somebody has but that may           not be fully developed

 

Ex. 17 Say if the following statements are true or false:

1. For each new executable file the finder module encounters, it calls the replication module to infect that file.

2. Replication module is called by a finder module.

3. The replication module cannot be called each time the operating system executes a file.

4. A fast infector can infect every potential host file that is accessed.

5. Slow infectors rely on their fast infection rate to spread.

6. The slow infector approach does not seem very successful.

Ex.18 Answer the following questions. Find answers in the text.  Put down the number of the paragraph

1. What do nonresident viruses consist of?

2. When does virus load the replication module into memory?

3. What can a fast infector infect?

4. When can the virus piggy-back on the virus scanner?

5. What is designed to avoid detection by limiting viruses’ actions?

V. Oral Practice

Ex. 19 Describe the categories of resident viruses.

Ex. 20 Explain the difference between nonresident and resident viruses.

Ex. 21 Prove the harmful actions of viruses on computers work.

Ex. 22 Discuss the text according to the points:

1. The definition of nonresident viruses.

2. The resident viruses.

3. The categories of resident viruses: fast infectors and slow infectors.

 

 

Unit 5

Anti-virus software

I. Vocabulary

Ex. 1 Read and memorize the following words, words combinations and word-groups:

to identify - визначати

remove - видаляти

rootkit – модуль ядра

removable drive – драйвер, що може бути видаленим

database – шина дана

signature based detection – визначення ,що базується на сигнатурах

malicious activity detection – визначення аномалій

heuristic-based detection – визначення основ на емуляції

 

II. Reading and comprehension