- •2. Find the Ukrainian equivalents for the following English and word combinations:
- •3. Analyze the following words and translate them, paying attention to the negative prefixes:
- •4. Read the text and translate it: Video camera
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Put the questions to the following sentences:
- •7. Match the first part (1-8) of the sentence with the second part (a-f):
- •8. Read the supplementary text, translate and entitle it:
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-8) of the sentence with the second part (a-h):
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Put the questions to the following sentences:
- •7. Match the first part (1-8) of the sentence with the second part (a-h):
- •8. Read the supplementary text, translate and entitle it:
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Say if the following statements are true or false:
- •4. Put the questions to the following sentences:
- •5. Complete the following sentences:
- •6. Match the first part (1-8) of the sentence with the second part (a-h):
- •7. Read the supplementary text, translate and entitle it:
- •8. Work in pairs. State the advantages and disadvantages of dtv and analog tv.
- •9. Render the text: tv goes digital.
- •Fill in the blanks confusing words and memorize them:
- •2. Find the Ukrainian equivalents for the following English and word combinations:
- •3. Match two parts of word combinations:
- •4. Read the text and translate it: Computer crime
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-9) of the sentence with the second part (a-I):
- •7. Render the text: Computer crime
- •8. Work in pairs. How do you defend your computer?
- •9. Read the supplementary text, translate and entitle it:
- •1. Fill in the blanks confusing words and memorize them:
- •2. Find the Ukrainian equivalents for the following English words and word
- •3. Translate the following words and word combinations into English:
- •4. Read the text and translate it: An antenna
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-7) of the sentence with the second part (a-g):
- •7. Read the supplementary text, translate and entitle it:
- •8. Render the text: An antenna
- •9. Work in pairs. Compare the two kinds of antennas.
- •2. Find the Ukrainian equivalents for the following English words and word
- •3. Which of these words from the list are similar in your language? Do they mean the same?
- •4. Read the text and translate it: a Laser
- •Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences, using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-5) of the sentence with the second part (a-e) :
- •7. Read the supplementary text, translate and entitle it:
- •8. Render the text: Laser
- •1. Choose the right word: Say, tell, speak, talk
- •2. Find the Ukrainian equivalents for the following English and word combinations:
- •3. Match two parts of word combinations:
- •4. Read the text and translate it: Electronic Devices for the home.
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-7) of the sentence with the second part (a-g):
- •7. Read the text, translate and entitle it.
- •1. Put the words in order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-7) of the sentence with the second part (a-g):
- •7. Read the supplementary text, translate and entitle it.
- •8. Render the text: How Burglar Alarms Work
- •1. Fill in the blanks confusing words and memorize them:
- •2. Find the Ukrainian equivalents for the following English words and word combinations:
- •3. Translate the following words and word combinations into English:
- •4. Read the text and translate it: ir Remote Control Theory.
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-7) of the sentence with the second part (a-g) :
- •7. Read the supplementary text, translate and entitle it.
- •8. Render the text: ir Remote Control Theory.
- •1. Find the mistake(s) in each sentence and correct the confusing word:
- •2. Find the Ukrainian equivalents for the following English words and word
- •4. Which of these words from the list are similar in your language? Do they mean the same?
- •5. Read the text and translate it: Radar
- •1. Put the words in the right order to make a sentence:
- •2. Fill in the blanks with the following words:
- •3. Complete the following sentences using active vocabulary:
- •4. Say if the following statements are true or false:
- •5. Answer the following questions:
- •6. Match the first part (1-7) of the sentence with the second part (a-g) :
- •7. Read the supplementary text, translate and entitle it:
- •The scheme of rendering the text
- •In conclusion the author … The article ends with…
- •As far as I know already…
- •I’ve read before many/some/articles on the topic.
- •6. This information is useful for…
1. Put the words in the right order to make a sentence:
1. Infra-Red, light, particular, actually, is, normal, a, with, colour. 2. The, the, a, key, wakes, when, up, to, transmit, is, appropriate, IR, command, only, processor, pressed. 3. A, or, video, digital, can, "see", the, Infra-Red, camera, camera, photo, light. 4. A, be, transistor, the, circuit, used, can, drive, to, simple, LED. 5. Power, are, very, low, transmitters, microcontrollers, used, IR, in. 6. A, in, of, this, a, across, pulses, constant, resistor, magnitude, constant, resistor, amplitude, current, constant, results. 7. The, will, as, drops, the, well, battery, as, current, LED, voltage, decrease, through. 8. Power, of, maximum, the, average, the, though, dissipation, LED, value, not, the, should, exceed.
2. Fill in the blanks with the following words:
Light, modulation, battery, power, chips, camera, sheet, resistor, command, crystals
1. The processor wakes up to transmit the appropriate IR … only when a key is pressed. 2. Infra-Red actually is normal …with a particular colour. 3. The transmitter usually is a … powered handset. 4. A video … or digital photo camera can "see" the Infra-Red light. 5. Very low … microcontrollers are used in IR transmitters. 6. This constant amplitude across a constant … results in current pulses of a constant magnitude. 7. All these parameters can be found in the LED’s data … . 8. Quartz … are seldom used in such handsets. 9. … is the answer to make our signal stand out above the noise. 10. Many … are designed to be used as IR transmitters.
3. Complete the following sentences using active vocabulary:
1. The cheapest way to remotely control a device … 2. With modulation we make the IR light source blink in … 3. LED currents can be that high because … 4. … only when a key is pressed. 5. Quartz crystals are seldom used in … 6. A transistor with a suitable HFE and switching speed should be … . 7. ... quite cheap, thus making it ideal for us hobbyists to use IR control for our own projects. 8. Although we humans can't see the Infra-Red light emitted from a remote control doesn't … . 9. … are commonly used in consumer electronics. 10. Ceramic resonators are much more suitable here, because they … .
4. Say if the following statements are true or false:
1. Humans can see the Infra-Red light emitted from a remote control. 2. Wave length of 950nm is above the visible spectrum. 3. Humans can see a particular colour.4. A video camera or digital photo camera can’t "see" the Infra-Red light. 5. There is not source of Infra-Red light. 6. Everything that radiates ice, also radiates Infra-Red light. 7. A simple transistor circuit can’t be used to drive the LED. 8. Average power dissipation of the LED should not exceed the maximum value though. 9. A trade-off should be made between LED parameters, battery lifetime and maximum control distance. 10. A 'mark' is then automatically represented by a high level.
5. Answer the following questions:
1. What is normal light with a particular colour? 2. What device can be used to drive the LED? 3. How many diodes will limit the pulses on the base of the transistor? 4. Does the processor wake up to transmit the appropriate IR command only when a key is pressed? 5. What is the default signal, which is the off state in the transmitter case?
6. Why can't humans see a particular colour? 7. What radiates Infra-Red light? 8. Is 1.1V or 1.3V nominal voltage drop over an IR LED? 9. Can the resistor values simply be calculated using Ohm's law? 10. What is the answer to make our signal stand out above the noise?