Your computer screen
in pairs, discuss these questions.
1what type of display do you have: a cathode ray tube or an lcd flat screen?
2what size is the screen?
3how can you change the picture using the controls?
4can you watch tv on your pc monitor?
2.
how screen displays work

complete these definitions with words from the box. then read the text on page 33 and check your answers.

resolution pixel aspect ratio colour depth video adapter plasma screen

- the smallest unit on a display screen or bitmapped image (usually

a coloured dot)

- an expansion card that generates the video signal sent to a

computer display

- the width of the screen in proportion to its height

- a i so ca 11 ed gas discharge display

5 - the number of pixels contained in a display, horizontally and

vertically

- the number of bits used to hold a colour pixel; this determines

the maximum number of colours that can be displayed

read the text again and answer these questions.

1 what do crt and lcd stand for?
2 how is the screen size measured?
3 what technology is used by active-matrix lcds?
4 which unit of frequency is used to measure the brightness of a display?
5 what substance produces light and colour when hit by electrons in a crt monitor?
6 what are the three advantages of oled displays?

Christmas is a joyful religious A holiday. For people all over the world, Christmas is a season of giving and receiving presents. In Scandinavian and other European countries, Santa Claus B visits houses in the night and leaves presents for children. Santa Claus is represented as a kindly man with a red coat and long white beard. He usually C brings people happiness in the coldest months of the year. Mary and Steve are twins. Every year they D expect Santa Claus and his gifts. Last year Santa E brought a beautiful doll for Mary and a soccer ball for Steve. The children F have already decorated the Christmas tree. Now Mary G is helping her mother in the kitchen, and Steve H is watching a football game on TV. He I loves  football very much. After supper the children will go to bed. Santa Claus usually J comes at night. Tomorrow Mary and Steve K will find presents in a Christmas stocking. What  will Santa give them?

Poland - "Country of Churches", an attractive region for tourists. It is distinguished by its rich nature, valuable architectural and historical monuments. Many parts of the country have preserved their pristine beauty, which is almost never found in densely populated Europe. These are primarily the Tatras in the south of the country - the highest mountains in the Carpathian chain, Bieszczady and forested Beskydy in the southeast - wild beauty mountains with rare species of flora, the Sudetenland (southwest) - a favorite, along with the Tatras and the Baltic coast, a resting place inhabitants of Poland, as well as the rocky limestone Pieniny. In the east of the country, the only large virgin forests in Europe have survived - Belovezhskaya Pushha, Peninsky Park, Oytsovsky National Park, in which, in addition to beautiful nature, medieval castles located on limestone mountains are admired. In the north, there is a chain of numerous lakes located among picturesque hills and forests - a unique land of the Great Masurian Lakes, where slender pines are reflected in the mirror-like surface of the water. Poland has preserved the unique ecosystem of the Biebrza Marshes, one of the last natural wetlands in Europe. On the coast of the country there are several hundred kilometers of golden sandy beaches, floating sand dunes in the Slovinsky National Park and excellent opportunities for water sports.