Hemis tasks tasks 4: score -5 unit 8: security and safety lesson 21. Computer threats. It security and safety. Task 1

HEMIS TASKS
TASKS 4:
SCORE -5
UNIT 8:SECURITY AND SAFETY


Lesson 21. Computer threats . IT security and safety.


Task 1. Solve the clues and complete the puzzle.

1. 
   Users have to enter a PASSWORD to gain access to a network.
   
2. 
   A FREEWARE protects a company intranet from outside attackers.
   
3. 
   A HACKER is a person who uses their computer skills to enter computers and networks illegally.
   
4. 
   VIRUS can infect your files and corrupt your hard drive.
   
5. 
   You can download ANTIVIRUS from the Net; this type of software is available free of charge but protected by copyright.
   
6. 
   Encoding data so that unauthorized users can’t read it is known as FIREWALL.
   
7. 
   This company uses CRUCIAL techniques to decode( or decipher) secret data.
   
8. 
   Most VIRUSES is designed to obtain personal information without the user’s permission.
   

Lesson 22. Health and safety.Computer ergonomics

Task 1. Complete the sentences with the correct infinitive or -ing form of the verbs in brackets.

When I go shopping for clothes, I spend time 1 thinking (think) about what I’m going to buy. I usually can’t afford 2 to buy (buy) the brands I really like. If I spend all my money on one piece of clothing, I end up 3 regreting (regret) it. However, if I really like something, I do occasionally decide 4 to do (do) that. I enjoy 5 looking (look) around the shops for cheaper clothes and I always ask the shop assistants 6 to give (give) me a discount. They usually refuse 7 to offer (offer) me one, but occasionally I’m lucky and I manage 8 to get (get) one!

APPENDIX 5. POST PRACTICE ACTIVITY.
Task 2: Help to the people in these pictures below with drawing missing parts.