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  2. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [4] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users. [5]

  3. Test Drive (1987 video game) - Wikipedia

    en.wikipedia.org/wiki/Test_Drive_(1987_video_game)

    The player driving the Lotus Esprit Turbo in Test Drive. The player chooses one of five supercars (Lamborghini Countach, Lotus Esprit Turbo, Chevrolet Corvette C4, Porsche 911 Turbo (930), or Ferrari Testarossa) to drive on a winding cliffside two-lane road while avoiding traffic and outrunning police speed traps. The course's five stages are ...

  4. Category:Test Drive - Wikipedia

    en.wikipedia.org/wiki/Category:Test_Drive

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  5. Light-emitting diode physics - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_physics

    The refractive index of silicon is 3.96 (at 590 nm), [2] while air's refractive index is 1.0002926. [3] In general, a flat-surface uncoated LED semiconductor chip emits only light that arrives nearly perpendicular to the semiconductor's surface, in a cone shape referred to as the light cone, cone of light, [4] or the escape cone. [1]

  6. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    Consequently, ranges from around 1.7 to 2.0 volts for red LEDs to around 2.8 to 4.0 volts for violet LEDs. V s w i t c h {\displaystyle V_{switch}} is the voltage drop across the switch in volts: (A) for no switch, use 0 volts, (B) for mechanical switch, use 0 volts, (C) for BJT transistor , use V C E ( s a t ) {\displaystyle V_{CE(sat ...

  7. Test Drive 4 - Wikipedia

    en.wikipedia.org/wiki/Test_Drive_4

    The player (shown driving a 1966 Shelby Cobra) in third place during a race at Keswick, Cumbria. Test Drive 4 offers 14 supercars and muscle cars, and tasks the player with beating computer opponents in tracks set in five real life locales: Keswick, Cumbria, San Francisco, Bern, Kyoto, and Washington, D.C.; [1] the Windows version adds a sixth location: Munich.

  8. Stack light - Wikipedia

    en.wikipedia.org/wiki/Stack_light

    Stack light in automated production for in-line quality inspection. Stack lights (also known as signal tower lights, indicator lights, andon lights, warning lights, industrial signal lights, or tower lights) are commonly used on equipment in industrial manufacturing and process control environments to provide visual and audible indicators of a machine's status to machine operators, technicians ...

  9. Test Drive 5 - Wikipedia

    en.wikipedia.org/wiki/Test_Drive_5

    The way it is, the most you'll get is about three or four races before the computer pulls a dirty trick so foul that you'll turn your computer off in disgust." Ward concluded that Test Drive 5 "comes really close to greatness, and then veers off sharply at the last minute. The game's solid handling, great car selection, and passable graphics ...