Unit II. Computer systems lesson Theme: Living with computers

Task 3: Continue the sentences from the text of the lesson.

1.In PCs, it is built______________________________________________________________.

2. ______________________________________________ is the brain of your computer.
3. ______________________________________________ is measured in gigahertz (GHz).
4. The main circuit board ___________________ a motherboard.
5. The front side bus carries _______________________________________.
6.______________________________________ allow you to install expansion cards which add features like sound, memory and network capabilities.

Lesson 12
Theme: Your computer screen.
I. Lessons to be done during the lesson

APPENDIX 1. YOUR COMPUTER SCREEN.

Look at the picture answer the questions and describe your computer screen.

1. What type of display do you have: cathode ray

tube or an LCD flat screen.
2. What size is the screen?
3. How can you change the picture using the control?
4. Can you watch TV on your PC monitor?

An Apple Mac flat screen monitor

APPENDIX 2. GLOSSARY.

Complete these definitions with words from the given words in bold:

resolution pixel aspect ratio color depth video adapter
plasma screen
1……………………….-the smallest unit on a display screen or bitmapped image (usually a colored dot)
2………………………-an expansion card that generates the video signal sent to a computer display
3………………………- the width of the screen in proportion to its height
4……………………….-also called gas discharge play
5……………………….-the number of pixels contained in a display, horizontally and vertically
6……………………….-the number of bits used to hold a color pixel; this determines the maximum number
of colors that can be displayed