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Evolution of Microelectronics: Discrete Devices to Integrated Circuits

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Evolution of Microelectronics: Discrete Devices to Integrated Circuits

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Questions and Answers

What branch of physics and technology is concerned with the design of circuits using transistors and microchips?

Zoology

Botany

Geology

Electronics (correct)

Who observed the phenomenon where the glass opposite the negative electrode in an evacuated glass tube glows from emitted electrons?

Charles Darwin

J.J. Thomson

G.Johnstone Stoney

Thomas Edison (correct)

Which scientist coined the word 'electron' in 1891?

G.Johnstone Stoney (correct)

Thomas Edison

J.J. Thomson

Albert Einstein

What did J.J. Thomson discover in 1899 that could be guided by electric and magnetic fields?

Electrons Signup and view all the answers

What type of current did Thomas Edison observe between the filament of an incandescent lamp and a plate in vacuum?

Direct current Signup and view all the answers

What is the phenomenon observed when a current flows between the filament of an incandescent lamp and a plate kept in vacuum near it?

Edison Effect Signup and view all the answers

What did J.J. Thomson's son, G.P. Thomson, discover about electrons?

That they are wave-like phenomena Signup and view all the answers

Which of the following is a characteristic of vacuum tubes?

Higher power consumption Signup and view all the answers

What was the disadvantage associated with vacuum tubes mentioned in the text?

Higher cost compared to transistors Signup and view all the answers

Who discovered the Semiconductor point-contact rectifier effect?

Ferdinand Braun Signup and view all the answers

What kind of device is a vacuum tube?

Device that controls electric current flow in a high vacuum Signup and view all the answers

In what year did the first Transatlantic phone call take place using the TAT-1 cable system mentioned in the text?

1956 Signup and view all the answers