Lesson 1: it security and safety. Speaking 1

Vocabulary exercise 6: Label this diagram with the advice 1-8.
1 There should be clearance under the work surface.
2 You should have your feet flat on the floor.
3 Make sure your forearms and hands are in a straight line.
4 Your lower back should be supported.
5 Your screen should be positioned t o avoid reflected glare.
6 Keep your shoulders relaxed.
7 You should have your thighs tilted slightly.
8 Make sure the t op of the screen is at or slightly below eye level.

Homework:
Writing task1: Write informal letter to your friend with 120 words. What is the most important rule you can give about computer use? In your letter make a list of computer health and safety problems and give advice to your friend.


Exercise 2: Test.


Lesson 2: VOCABULARY: THE KEYBOARD. Prepositions.

Reading: Exercise 1: Read short text, translate new words and give them English definition.
A keyboard is one of the primary input devices used with a computer. Similar to an electric typewriter, a keyboard is composed of buttons used to create letters, numbers, and symbols, and perform additional functions.
Even though the keyboard is an external peripheral device in a desktop system (it sits outside the main computer housing), or is "virtual" in a tablet PC, it is an essential part of the complete computer system. Microsoft and Logitech are some of the most popular physical keyboard manufacturers, but many other hardware makers also produce them.
Keyboard overview
The following image shows a 104-key Saitek keyboard with arrows pointing to each section, including the control keys, function keys, LED indicators, wrist pad, arrow keys, and keypad.

Exercise 2: Complete the sentences with new words above .
shift key, alt key, control key, escape key, delete key, tab key ,caps lock key ,backspace key,