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Work in pairs. Make up a dialogue, using the following questions and answers.

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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