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Kirt Blattenberger (KB3UON)

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Inventors & Their Inventions
Answers to RF Cafe Quiz #17

RF Engineering Quizzes - RF CafeAll RF Cafe Quizzes make great fodder for employment interviews for technicians or engineers - particularly those who are fresh out of school or are relatively new to the work world. Come to think of it, they would make equally excellent study material for the same persons who are going to be interviewed for a job. Bonne chance, Viel Glück, がんばろう, buena suerte, удачи, in bocca al lupo, 행운을 빕니다, ádh mór, בהצלחה, lykke til, 祝你好運. Well, you know what I mean: Good luck!

Click here for the complete list of RF Cafe Quizzes.

Note: Some material based on books have quoted passages.

Return to RF Cafe Quiz #17

1. Who is credited with inventing the computer mouse?

d) Douglas Engelbart

Bill Gates founded Microsoft, Steve Jobs founded Apple Computer, and Bill Nye invented nothing.

2. Who is credited with discovering the transistor?

d) All the above

3. Who invented the Viterbi programming algorithm?

a) Andrew Viterbi

Robert Pease is a prolific inventor at National Semiconductor, Albert Einstein was Albert Einstein, and Robert Lucky invented the adaptive equalizer.

4. Who is credited with inventing the triode amplifier vacuum tube (Audion)?

d) Lee De Forest

Sir Jonathan Audion is a fictitious name, James Watt invented the steam engine, and Brian Koenigsmark is an engineer I worked with at Comsat.

5. Who invented the tunnel diode?

b) Leo Esaki

Scott Adams draws the Dilbert comic strip, Patrick Fitzgerald is an engineer I worked with at Lockheed Martin, and Igor Stravinsky was a Russian composer.

6. Who is credited with inventing spread spectrum communications?

c) Hedy Lamarr

Akio Morita founded Sony Corporation, Thomas Steenland is a technician I worked with at Simmonds Precision Instruments, and Albert (Al) Gore invented the Internet.

7. Who is credited with inventing frequency modulation (FM)?

a) Edwin Armstrong

Heike Onnes discovered superconductivity, Robert Jarvik invented the artificial heart, and Charlie Eppes applies advanced mathematics to solve cases for the FBI on Numb3rs.

8. Who is credited with inventing television?

d) Philo Farnsworth (although some say Vladimir Zworykin)

Yataro Iwasaki founded Mitsubishi, and Lothar Rohde & Hermann Schwarz founded Rohde & Schwarz (R&S).

9. Who is credited with inventing radar?

c) Sir Robert Watson-Watt

Gordon Gould invented the laser, Elmer Sperry founded Sperry Corporation, and Augustus Raytheon is a made-up name.

10. Who is credited with inventing the first integrated circuit?

b) Jack Kilby (aided by Robert Noyce)

Garrett Morgan invented the traffic light, James (Jim) Wilson is the ϋber engineer who inspired my journey into electrical engineering, and Grace Hopper invented the computer complier.

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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright:
1996 - 2024

Webmaster:

Kirt Blattenberger,

BSEE | KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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