Trivia Cafe

100 Technology Trivia Questions and Answers

Inventions, computing and the machines that reshaped daily life.

Every question below is shown with its answer, so you can scan the whole set, pick the ones you want, and run a round without clicking through. They are free to use for quiz nights, classrooms and pub quizzes. Where a question has extra background, it links to the full explanation.

  1. 1.What does the amateur radio term 'CQ' mean when transmitted?

    Answer: Calling any station

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  2. 2.What does the Q-code 'QTH' mean in amateur radio communication?

    Answer: My location is...

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  3. 3.What does the abbreviation 'FPV' stand for in the context of drone piloting?

    Answer: First Person View

    Read the full explanationLearn more on Codexery: First-person view (remote control)
  4. 4.What does ESC stand for in the context of electric RC vehicles?

    Answer: Electronic Speed Controller

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  5. 5.What term describes the flight mode where a drone autonomously follows a moving subject using GPS or visual tracking?

    Answer: ActiveTrack (or Follow Me mode)

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  6. 6.What refresh rate, measured in hertz, became the standard baseline for competitive gaming monitors, doubling the traditional 60Hz?

    Answer: 144Hz

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  7. 7.What competitive first-person shooter, developed by Riot Games and released in 2020, combines precise gunplay with character-based abilities?

    Answer: Valorant

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  8. 8.What technology allows a drone to maintain a fixed position in the air without pilot input, using GPS and barometric sensors?

    Answer: GPS hover (or position hold)

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  9. 9.What ionospheric layer is primarily responsible for long-distance HF radio propagation during the daytime?

    Answer: F2 layer

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  10. 10.What is the highest class of amateur radio license in the United States, granting full privileges on all bands?

    Answer: Amateur Extra

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  11. 11.What frequency band, measured in GHz, do most modern RC transmitters use to avoid interference?

    Answer: 2.4 GHz

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  12. 12.What year was the first iPhone released?

    Answer: 2007

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  13. 13.What type of antenna, consisting of a horizontal wire fed at the center, is one of the simplest and most popular HF antennas?

    Answer: Dipole antenna

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  14. 14.What annual event challenges amateur radio operators to set up temporary stations and make as many contacts as possible in 24 hours?

    Answer: Field Day

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  15. 15.What is the name of the international system that divides the world into grid squares for identifying locations in amateur radio?

    Answer: Maidenhead Locator System

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  16. 16.What does CPU stand for in computing?

    Answer: Central Processing Unit

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  17. 17.What is the common term for the measure of delay between a player's input and the corresponding action appearing on screen, critical in competitive gaming?

    Answer: Input lag (or latency)

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  18. 18.What remote identification requirement, often called 'digital license plates,' was mandated by the FAA for most drones starting in 2024?

    Answer: Remote ID

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  19. 19.What polling rate, measured in hertz, do most high-end gaming mice now offer to minimize the delay between physical movement and on-screen cursor response?

    Answer: 8000Hz (8K)

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  20. 20.What South Korean player, known as 'Faker,' is widely regarded as the greatest League of Legends player of all time?

    Answer: Lee Sang-hyeok

    Read the full explanationLearn more on Codexery: League of Legends
  21. 21.What is the name of the annual video game tournament hosted by Valve Corporation for Dota 2, known for record-breaking prize pools funded by player purchases?

    Answer: The International

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  22. 22.What type of RC car chassis features the motor and drivetrain mounted along the center spine for balanced weight distribution?

    Answer: Mid-motor layout

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  23. 23.What does the term '1/10 scale' mean when describing an RC car?

    Answer: One-tenth real car size

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  24. 24.What is the maximum altitude that recreational drone pilots are legally allowed to fly in the United States without special authorization?

    Answer: 400 feet

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  25. 25.In drone racing, what does the 'S' rating on a LiPo battery indicate, such as '4S' or '6S'?

    Answer: Number of cells in series

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  26. 26.What is the name for the spinning propeller configuration where four rotors are arranged symmetrically, the most common multirotor design?

    Answer: Quadcopter

    Read the full explanationLearn more on Codexery: Quadcopter
  27. 27.What type of shock absorber, filled with silicone oil, is standard on hobby-grade RC vehicles?

    Answer: Oil-filled shocks

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  28. 28.What famous RC racing organization, founded in 1975, sanctions competitive off-road and on-road events worldwide?

    Answer: ROAR

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  29. 29.What Chinese technology company manufactures the Mavic, Phantom, and Air series of consumer drones?

    Answer: DJI

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  30. 30.What U.S. federal agency requires recreational drone pilots to register aircraft weighing over 250 grams?

    Answer: FAA (Federal Aviation Administration)

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  31. 31.What nitro fuel percentage is most commonly used in hobby-grade nitro RC cars?

    Answer: 20%

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  32. 32.Who co-founded Apple Computer with Steve Jobs?

    Answer: Steve Wozniak

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  33. 33.What component in an RC car converts the rotary motion of the motor into different wheel speeds during turns?

    Answer: Differential

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  34. 34.What frequency band is most commonly associated with beginner ham radio operators holding a Technician license in the United States?

    Answer: 2-meter band (144 MHz)

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  35. 35.What digital mode, developed by Nobel Prize-winning physicist Joe Taylor, allows amateur radio operators to make contacts with extremely weak signals?

    Answer: FT8

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  36. 36.What NVIDIA technology synchronizes the GPU's frame output with the monitor's refresh rate to eliminate screen tearing?

    Answer: G-Sync

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  37. 37.What battery chemistry, abbreviated LiPo, is most commonly used in high-performance RC vehicles?

    Answer: Lithium polymer

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  38. 38.What type of keyboard switch, preferred by many competitive gamers for its fast actuation, uses a linear mechanism with no tactile bump?

    Answer: Cherry MX Red (or linear switch)

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  39. 39.What memory specification, critical for gaming PC performance, describes the speed at which RAM can transfer data, measured in megatransfers per second?

    Answer: DDR5 (or memory clock speed)

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  40. 40.What does 'GPU' stand for, the component most critical for gaming performance in modern PCs?

    Answer: Graphics Processing Unit

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  41. 41.What is the common name for the type of battery used in most consumer and racing drones, known for its high energy density?

    Answer: LiPo (Lithium Polymer)

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  42. 42.What type of RC motor uses magnets and coils without physical contact brushes, offering higher efficiency?

    Answer: Brushless motor

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  43. 43.Which company manufactured the CVAX: Motorola Semiconductor Products Sector, National Semiconductor, Digital Equipment Corporation or Harris Semiconductor?

    Answer: Digital Equipment Corporation

    Read the full explanationLearn more on Codexery: CVAX
  44. 44.Which company manufactured the Pentium 4: Intel, Inmos, Advanced Micro Devices or Digital Equipment Corporation?

    Answer: Intel

    Read the full explanationLearn more on Codexery: Pentium 4
  45. 45.Who invented the Asphalt shingle: Alan Adler, Thomas Edison, German chemist Otto Röhm or Henry Reynolds?

    Answer: Henry Reynolds

    Read the full explanationLearn more on Codexery: Asphalt shingle
  46. 46.Who invented the Aerial work platform: Jeff Abel, James McLurkin, Jay Eitel or Alan Adler?

    Answer: Jay Eitel

    Read the full explanationLearn more on Codexery: Aerial work platform
  47. 47.Who invented the AeroPress: German chemist Otto Röhm, Alan Adler, Jay Eitel or James McLurkin?

    Answer: Alan Adler

    Read the full explanationLearn more on Codexery: AeroPress
  48. 48.Who invented the amberola: Thomas Edison, James McLurkin, Jeff Abel or Jay Eitel?

    Answer: Thomas Edison

    Read the full explanationLearn more on Codexery: Amberola
  49. 49.Who invented the Ant robotics: James McLurkin, Jay Eitel, German chemist Otto Röhm or Thomas Edison?

    Answer: James McLurkin

    Read the full explanationLearn more on Codexery: Ant robotics
  50. 50.Who invented the Acrylic paint: James McLurkin, Henry Reynolds, Alan Adler or German chemist Otto Röhm?

    Answer: German chemist Otto Röhm

    Read the full explanationLearn more on Codexery: Acrylic paint
  51. 51.Which company manufactured the PTV-N-2 Gorgon IV: Airspeed Limited, Beechcraft, Glenn L. Martin Company or Temco Aircraft?

    Answer: Glenn L. Martin Company

    Read the full explanationLearn more on Codexery: PTV-N-2 Gorgon IV
  52. 52.Which company manufactured the TAI Keklik: McDonnell Aircraft, Beechcraft, Turkish Aerospace Industries or Israel Aerospace Industries?

    Answer: Turkish Aerospace Industries

    Read the full explanationLearn more on Codexery: TAI Keklik
  53. 53.Which company manufactured the IAI Harpy: Airspeed Limited, Temco Aircraft, Israel Aerospace Industries or Aviolanda?

    Answer: Israel Aerospace Industries

    Read the full explanationLearn more on Codexery: IAI Harpy
  54. 54.Which company manufactured the Chevette HS: Vauxhall, Lancia, Ford Germany or Hyundai?

    Answer: Vauxhall

    Read the full explanationLearn more on Codexery: Chevette HS
  55. 55.Which company manufactured the Chevette HSR: Lancia, Jaguar, Mazda or Vauxhall?

    Answer: Vauxhall

    Read the full explanationLearn more on Codexery: Rally Cars
  56. 56.Which company manufactured the Austin Metro: Mitsubishi Motors, British Leyland, Hyundai or Jaguar?

    Answer: British Leyland

    Read the full explanationLearn more on Codexery: Austin Metro
  57. 57.Which company manufactured the Ligier JS P2: BR Engineering, Oreca, Centenari or Onroak Automotive?

    Answer: Onroak Automotive

    Read the full explanationLearn more on Codexery: Ligier JS P2
  58. 58.Which company manufactured the Ligier JS P217: Oreca, Onroak Automotive, Alba Engineering or Zytek Engineering?

    Answer: Onroak Automotive

    Read the full explanationLearn more on Codexery: Ligier JS P217
  59. 59.Which company manufactured the WR LM94: Zytek Engineering, Centenari, Alba Engineering or Welter Racing?

    Answer: Welter Racing

    Read the full explanationLearn more on Codexery: WR LM94
  60. 60.Which company manufactured the I486SX: Intel, Kombinat Mikroelektronik Erfurt, Inmos or Zilog?

    Answer: Intel

    Read the full explanationLearn more on Codexery: I486SX
  61. 61.Which company manufactured the CVAX: Inmos, Digital Equipment Corporation, Zilog or Intel?

    Answer: Digital Equipment Corporation

    Read the full explanationLearn more on Codexery: CVAX
  62. 62.Which company manufactured the transputer: Digital Equipment Corporation, Intel, Inmos or Zilog?

    Answer: Inmos

    Read the full explanationLearn more on Codexery: Transputer
  63. 63.Which company manufactured the SSC Tuatara: Lamborghini, Hennessey Performance Engineering, Bugatti Automobiles S.A.S or SSC North America?

    Answer: SSC North America

    Read the full explanationLearn more on Codexery: SSC Tuatara
  64. 64.In what year was "Orb Drive" introduced: 1983, 1999, 2004 or 2005?

    Answer: 1999

    Read the full explanationLearn more on Codexery: Orb Drive
  65. 65.In what year was "Universal Storage Platform" introduced: 1976, 1983, 1999 or 2004?

    Answer: 2004

    Read the full explanationLearn more on Codexery: Universal Storage Platform
  66. 66.In what year was "Tarbell Cassette Interface" introduced: 1976, 1983, 1999 or 2004?

    Answer: 1976

    Read the full explanationLearn more on Codexery: Tarbell Cassette Interface
  67. 67.Who designed "Mauser Model 1914": Friedrich Langenhan, Rudolf Frommer, John Browning or Josef Nickl?

    Answer: Josef Nickl

    Read the full explanationLearn more on Codexery: Mauser Model 1914
  68. 68.Which company manufactured the FN Model 1910: Davis-Warner Arms Corp, Remington Arms, Fratelli Tanfoglio S.N.C or Fabrique Nationale of Belgium?

    Answer: Fabrique Nationale of Belgium

    Read the full explanationLearn more on Codexery: FN Model 1910
  69. 69.Which company manufactured the FN M1900: Fabrique Nationale de Herstal, Česká zbrojovka, Remington Arms or Taurus?

    Answer: Fabrique Nationale de Herstal

    Read the full explanationLearn more on Codexery: FN M1900
  70. 70.Which company manufactured the FB Beryl: Fabryka Broni Radom, TsNIITochMash, Adcor Defense Company or Robinson Armament Co?

    Answer: Fabryka Broni Radom

    Read the full explanationLearn more on Codexery: FB Beryl
  71. 71.Which company manufactured the AL-7: Robinson Armament Co, Izhmash, Fabryka Broni Radom or Adcor Defense Company?

    Answer: Izhmash

    Read the full explanationLearn more on Codexery: AL-7
  72. 72.Who designed "AK-74": Gennadiy Nikonov, Kalashnikov Concern, Alex J. Robinson or Mikhail Kalashnikov?

    Answer: Mikhail Kalashnikov

    Read the full explanationLearn more on Codexery: AK-74
  73. 73.Which company manufactured the Plymouth Barracuda: Chrysler Corporation, DeLorean Motor Company, Jaguar Cars Ltd or Volkswagen?

    Answer: Chrysler Corporation

    Read the full explanationLearn more on Codexery: Plymouth Barracuda
  74. 74.Who designed "Aston Martin DB5": Marcello Gandini, Carrozzeria Touring Superleggera, Giorgetto Giugiaro or Yoshihiko Matsuo?

    Answer: Carrozzeria Touring Superleggera

    Read the full explanationLearn more on Codexery: Aston Martin DB5
  75. 75.Who designed "Lamborghini Miura": Sir Alec Issigonis, Yoshihiko Matsuo, Carrozzeria Touring Superleggera or Marcello Gandini?

    Answer: Marcello Gandini

    Read the full explanationLearn more on Codexery: Lamborghini Miura
  76. 76.In what year was "Color Graphics Adapter" introduced: 1981, 1984, 1985 or 1987?

    Answer: 1981

    Read the full explanationLearn more on Codexery: Color Graphics Adapter
  77. 77.In what year was "Mode 13h" introduced: 1984, 1985, 1987 or 1990?

    Answer: 1987

    Read the full explanationLearn more on Codexery: Mode 13h
  78. 78.Which company developed "Digital Visual Interface": AMD, Digital Display Working Group, Intel or Nvidia?

    Answer: Digital Display Working Group

    Read the full explanationLearn more on Codexery: Digital Visual Interface
  79. 79.In what year was American mechanical engineer Robert Kearns born: 1890, 1920, 1927 or 1936?

    Answer: 1927

    Read the full explanationLearn more on Codexery: Discovery and Invention Controversies
  80. 80.In what year did Soviet physicist Vladislav Ivanov die: 1954, 2005, 2007 or 2022?

    Answer: 2007

    Read the full explanationLearn more on Codexery: Vladislav Ivanov (physicist)
  81. 81.What was the nationality of Raymond Damadian: French, American, Romanian or Australian?

    Answer: American

    Read the full explanationLearn more on Codexery: Raymond Damadian
  82. 82.Who designed "AS-44": Lauri Oksanen, Mikhail Kalashnikov, Magpul Industries or Alexey Sudayev?

    Answer: Alexey Sudayev

    Read the full explanationLearn more on Codexery: AS-44
  83. 83.Who designed "Adaptive Combat Rifle": Alexey Sudayev, Lauri Oksanen, Magpul Industries or Mikhail Kalashnikov?

    Answer: Magpul Industries

    Read the full explanationLearn more on Codexery: Adaptive Combat Rifle
  84. 84.Who designed "RK 62": Magpul Industries, Alexey Sudayev, Lauri Oksanen or Mikhail Kalashnikov?

    Answer: Lauri Oksanen

    Read the full explanationLearn more on Codexery: RK 62
  85. 85.In what year was British watercolour artist Robert Cocking born: 1740, 1754, 1776 or 1813?

    Answer: 1776

    Read the full explanationLearn more on Codexery: Inventors Killed by Their Own Invention
  86. 86.In what year was Franz Reichelt born: 1873, 1876, 1878 or 1889?

    Answer: 1878

    Read the full explanationLearn more on Codexery: Franz Reichelt
  87. 87.In what year was Soviet engineer Valerian Abakovsky born: 1884, 1895, 1901 or 1910?

    Answer: 1895

    Read the full explanationLearn more on Codexery: Valerian Abakovsky
  88. 88.Which company manufactured the MG 51: W+F, Manufacture d'Armes de Châtellerault, Norinco or Darne?

    Answer: W+F

    Read the full explanationLearn more on Codexery: MG 51
  89. 89.Which company manufactured the Type 80 machine gun: Darne, W+F, Norinco or Zbrojovka Brno?

    Answer: Norinco

    Read the full explanationLearn more on Codexery: Type 80 machine gun
  90. 90.Who designed "7.62 ITKK 31 VKT": Vasily Degtyaryov, Aimo Lahti, L. James Sullivan or Eugene Stoner?

    Answer: Aimo Lahti

    Read the full explanationLearn more on Codexery: 7.62 ITKK 31 VKT
  91. 91.Which company manufactured the CZ 82: Japanese Firearms Manufacturing Company, Česká zbrojovka, Astra-Unceta y Cia SA or Beretta?

    Answer: Česká zbrojovka

    Read the full explanationLearn more on Codexery: CZ 82
  92. 92.Who designed "Remington Model 51": John Pedersen, Shin-Chuō Industries, A.A. Oznobischev or Friedrich Langenhan?

    Answer: John Pedersen

    Read the full explanationLearn more on Codexery: Remington Model 51
  93. 93.Who designed "FN M1900": A.A. Oznobischev, John Browning, Friedrich Langenhan or John Pedersen?

    Answer: John Browning

    Read the full explanationLearn more on Codexery: FN M1900
  94. 94.Who designed "AK-12": Alex J. Robinson, Yury Aleksandrov, Igor Yakovlevich Stechkin or Kalashnikov Concern?

    Answer: Kalashnikov Concern

    Read the full explanationLearn more on Codexery: AK-12
  95. 95.Which company manufactured the AO-63 assault rifle: Adcor Defense Company, Izhmash, TsNIITochMash or Robinson Armament Co?

    Answer: TsNIITochMash

    Read the full explanationLearn more on Codexery: AO-63 assault rifle
  96. 96.Which company manufactured the AK-107: Robinson Armament Co, Adcor Defense Company, Izhmash or Fabryka Broni Radom?

    Answer: Izhmash

    Read the full explanationLearn more on Codexery: AK-107
  97. 97.Who designed "The DeLorean": Giorgetto Giugiaro, Sir Alec Issigonis, Yoshihiko Matsuo or Carrozzeria Touring Superleggera?

    Answer: Giorgetto Giugiaro

    Read the full explanationLearn more on Codexery: The DeLorean
  98. 98.Which company manufactured the Chevrolet Corvette: Lamborghini, Volkswagen, Chrysler Corporation or General Motors?

    Answer: General Motors

    Read the full explanationLearn more on Codexery: Chevrolet Corvette
  99. 99.Who designed "Datsun 240Z": Sir Alec Issigonis, Yoshihiko Matsuo, Marcello Gandini or Carrozzeria Touring Superleggera?

    Answer: Yoshihiko Matsuo

    Read the full explanationLearn more on Codexery: Datsun 240Z
  100. 100.In what year was "IBM 8514/A" introduced: 1984, 1985, 1987 or 1990?

    Answer: 1987

    Read the full explanationLearn more on Codexery: IBM 8514/A

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