1. Match the words with their definitions.

1. channel a) equipment that sends out radio or television signals

2. tweak b) several pieces of equipment that work together in a system

3. overwhelm c) a range of sound waves for sending and receiving

radio messages

4. transmitter d) to make small changes to a system to improve the

way it works

5. headphones e) to cover completely and suddenly

6. setup f) a piece of equipment to listen to the radio without other

people hearing it

2. Fill in the gaps with the following words: feasible; setup; transmitter; headphones; wireless network; receiver; channel; whisper; filter out.

1. Request means a signal sequence sent via a communication … from the client computer to a server computer.

2. Next, the … program checks the version of your operating system and the availability of the administrative permissions.

3. As long as the potential difference between the … and … remains within the common-mode input range of the receiver, the system will function.

4. There was no external speaker, but the … from Goodyear's iPod fitted one of the sockets.

5. "Get up!" he said, in a frightened …, raising her. "Get up at once!"

6. … unwanted data from a query’s result set.

7. The presence of interference decreases the performance of a … .

8. This approach is … for languages with reflective programming capabilities, such as Java, C#, or Smalltalk, and awkward for those that don't, such as C++.

3. Match the sentence halves.

1. It's trying to hear a whisper while

2. Further tweaking will likely lead to even

3. A new technology allows wireless signals to be sent and received

4. A radio receiver could filter

5. In most wireless networks, each device has

6. They use a work-around that is

7. Incoming signals are overwhelmed

1. to take turns speaking or listening.

2. you yourself are shouting.

3. by the radio's own transmissions.

4. simultaneously on a single channel.

5. out the signal from its own transmitter.

6. faster and more efficient networks in the future.

7. expensive and requires careful planning.

4. Correct the statements according to the text.

1. Cell phone networks never use a work-around as they are expensive and require careful planning.

2. In conventional networks, devices ‘speak” and “listen” simultaneously.

3. The described technology suggests a new type of communication networks.

4. The technology is based on people’s ability to speak slower or faster whenever they want to.

5. Each radio can’t know exactly what is transmitting at the moment.

6. Though the setup is not able to double the speed of existing networks, it allows to improve the design of them.

5. Answer the questions.

1. What technology have Standford researchers developed?

2. What advantage does the new technology offer?

3. Who is Philip Levis?

4. How do our brains work when we listen and talk simultaneously?

5. Which way do traditional networks work?

6. What principle does the new setup based on?