Work in pairs. Make up a dialogue, using the following questions and answers. Åñëè ýòî óïð ê òåêñòó íà summary, òî íàäî åãî äàòü äî óïð 21 êàê ïîäãîòîâêó ê ïåðåñêàçó
Date: 2015-10-07; view: 616.
Speaking
Match the terms in Table A with their definitions in Table B.
Read the text again and complete the sentences.
1. Many ICs are static sensitive and can be damaged when you … .
2. Integrated Circuits are usually called … .
3. … link the chip to the pins.
4. It is usually adequate to earth your hands by … .
5. Commercially produced circuit boards often have … .
6. …, otherwise you will bend and possibly break the pins.
7. You can make an earthed work surface with … .
8. The IC is pushed into the holder when … .
9. … because your body may have become charged with static electricity.\
10. … which can be safely soldered onto the circuit board.
A.
1. chip
2. circuit
3. pin
4. solder
5. screwdriver
B.
a. the complete circle that an electric current travels.
b. a soft metal, usually a mixture of lead and tin, which can be melted and used to join two metal surfaces, wires etc
c. a tool with a narrow blade at one end that you use for turning screws.
d. a small piece of silicon that has a set of complicated electrical connections on it and is used to store and process information in computers.
e. one of the pieces of metal that sticks out of an electric plug.
Q: What is another word for integrated circuit?
A: The circuit, often called a chip ...
Q: What benefits do smaller, denser chips offer?
A: The smaller, denser chips can also provide speed benefits, because in high-speed devices, the length of time it takes a signal to travel a given distance can become a factor.
Q: How many transistors are used in modern integrated circuits?
A: … one that uses very-large-scale integration (VLSI) contains more than 1,000 transistors. All ICs now employ VLSI, ...
Q: What are the two integrated circuit classifications?
A: Bipolar integrated circuits contain bipolar junction transistors as their principle elements. Metal-oxide-semiconductor (MOS) integrated contain MOS transistors as their principle elements.
Q: How are integrated circuits categorized?
A: Integrated circuits are also categorized according to the number of transistors or other active circuit devices they contain ...
Q: Are integrated circuits analog or digital?
A: Some integrated circuits are analog devices; an operational amplifier is an example. Other ICs, such as the microprocessors used in computers , are digital devices. Some hybrid integrated circuits contain both analog and digital circuitry; a bilateral switch, which switches analog signals by means of a digital control signal is an example of a hybrid IC. Integrated circuit functions are virtually limitless.
Q: Are there any advantages in the size of integrated circuits?
A: Some microprocessors, for example, contain more than one billion transistors on their chips. The smaller, denser chips can also provide speed benefits, because in high-speed devices, the length of time it takes a signal to travel a given distance can become a factor.
22. Summarize the text ‘Integrated Circuits' in 150 words.
23. Divide into 2 groups. Group 1 translates Extract A and group 2 – extract B of the text “What Is an Integrated Circuit” with a dictionary in writing.
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| Static precautions | | | EXTRACT A. |