8 Rewrite the sentences using Passive Voice

1. He built IBM’s success on the principal of customer satisfaction. 2. One can divide computers into three broad categories. 3. We use the term workstation to describe a very powerful desktop computer. 4. The screen displays the correct word. 5. Does the computer program control the output of the keys? 6. Alex bought a laser printer last week. 7. She needs a computer to keep staff records. 8. Translator has transformed the program into machine code. 9. Which language did they use to write Windows OS? 10. They sell the latest models of scanners and printers in this shop. 11. Do they use Java for writing programs for the WWW? 12. Can we find magnetic ink characters on bank cheques?

9 Rewrite the sentences using Passive Voice

1. We use a lot of computer types in all spheres of our life. 2. They designed a specialized program ACD See to work with pictures. 3. She will use computer graphics in her advertisement. 4. Do banks use computers to look after their customers' money? 5. When did they buy that computer? 6. We’ve sent Anna on a CAD course. 7. They used a PC for playing computer games. 8. They will calculate the bill for the customer. 9. We can use computers to process information in very different ways. 10. They have used databases and word processors to keep records of students, teachers and materials. 11. They are constantly improving the printers. 12. My friend has adjusted his monitor. 13. Who is repairing John’s computer? 14. Do they use a browser program for looking at pages on the Internet? 15. We know computer equipment as hardware. 16. They have customized their computers according to their needs. 17. You must save a file before you turn the computer off. 18. They launched this chip last week.19. He will adopt a better Internet technology. 20. We have used a printer to print this document.

Part 6 - Тема 7 Принцип роботи монітора.

1 Прочитайте та вивчіть терміни (усно)

analogue-to-digital converter – аналого – цифровий перетворювач;

flicker-free – без мерехтіння;

to download – завантажувати;

monitor calibration-калібрування монітора;

enhanced colour display – дисплей з розширеними кольоровими можливостями;

accessories – приналежності;

a display adapter – адаптер дисплея;

image size – розмір зображення;

distinct pixels – окремі пікселі;

response time – час реакції (відповіді);

luminosity – яскравість (освітленість);

aspect ratio – відношення ширини до висоти, видова пропорція;

power consumption – затрата енергії;

viewing angle – кут перегляду інформації;

aperture grill – апертурні гратки (тонкі провідки в поверхні екрана ЕПТ Trinitron);

landscape display – дисплей із зображенням, витягнутим по горизонталі / ландшафтний дисплей;

TFT-LCD (Thin – Film – Transistor – Liquid – Crystal – Display) – рідкокристалічний дисплей;

display character generator-знакогенератор;

refresh rate – частота регенерації;

cathode ray tube – катодно-променева трубка, кінескоп;

a digitized image – цифрове зображення;

plasma display – плазменний дисплей;

pitch – інтервал, крок;

display resolution – роздільна здатність дисплею;

dot pitch – розмір точки (відстань між пікселями);

contrast ratio – коефіцієнт контрасту;

horizontal length – горизонтальна довжина;

vertical length – вертикальна довжина;

width – ширина;

2 Перекладіть текст на українську мову. (письмово) напишіть до текстів 5 запитань (письмово)

1) `I sometimes use a video projector in my Geography lessons. I prepare audiovisual presentations on my laptop and then connect it to a front-screen projector which displays the images on a distant screen or white wall.

2) `I’ve got a 52-inch plasma display and really enjoy its advantages: high-contrast images and bright colours, generated by a plasma discharge which contains noble, non-harmful gases. Gas-plasma TVs allow for larger screens and wide viewing angles, perfect for movies!'

3) `I use a portable DLP projector for my business presentations. This is a digital light – processing device which creates the image with millions of microscopic mirrors arranged on a silicon chip.`

4) ` I am a home cinema enthusiast. I’ve set up a system with a DVD recorder, speakers for surround sound, and a rear projection TV, which has the video projector and the screen within a large TV box. It’s a real cinema experience.`

3 Прочитайте текст, вставте пропущені слова (письмово).

Active words: flat plates; flicker; number of colours; take into account; sharpness; viewing area; monitor; signals; transistor switch; number of times; video card; luminance of images;

OUTPUT DEVICES: DISPLAY SCREENS

The screen of a computer is often known as the (1) …, or VDU (visual display unit). Inside the computer, there is a (2) … which processes images and sends (3) … to the monitor. When choosing a monitor, you have to (4) … a few basics:

- Type of display. A Liquid Crystal Display is made from (5) … with a liquid crystal solution between them. The crystals block the light in different quantities to create the image. Active-matrix LCDs use TFT (thin film transistor) technology, in which each pixel has its own (6) … .

- Screen size - the (7) … is measured diagonally; in other words, a 17" screen measures 17 inches from the top left corner to the bottom right.

- Resolution - the clarity of the image depends on the number of pixels (short for picture elements) contained on a display, horizontally and vertically. A typical resolution is 1,024 x 768. The (8) … of images is affected by dot pitch, the distance between the pixels on the screen, so a dot pitch of 0.28 mm or less will produce a sharp image.

- Brightness – the (9) … is measured in cd/m¹ (candela per square metre).

- Colour depth - the (10) … a monitor can display. For example, a VGA monitor produces 256 colours, enough for home use; a SuperVGA can produce up to 16.7 million colours, so is ideal for photographic work and video games.

- Refresh rate – the (11) … that the image is drawn each second. If a monitor has a refresh rate of 75 Hertz (Hz), it means that the screen is scanned 75 times per second. If this rate is low, you will notice a (12) … , which can cause eye fatigue.

4 Знайдіть Compound Adjectives, що відповідають визначенням (письмово)

1. A … - … telephone allows people with limited mobility to dial and answer the phone with just the sound of their voice. 2. A fax machine is a … - … device, so it doesn’t require any other device to function. 3. A … - … application is operated by making choices from menus instead of giving instructions on a keyboard. 4. In some countries it is obligatory to use a … - … car kit when you are using a mobile phone while driving. 5. An … - … language like C++ lets the programmer concentrate on individual units (e.g. a piece of text, a graphic or a table) and give each object functions which can be changed easily. 6. They've launched a new … - … computer, an entire PC embedded inside a keyboard.