Top 10 electronics facts Selected as the most interesting among electronics related questions in Electronics quiz What technique are these parking sensors using?Echo sounding. Typical parking sensors are ultrasonic, often a clicking sound may be heard close by. There are also less popular electromagnetic sensors, that do not require any holes in the bumper, but detect metal objects only.Created by: globalquiz.orgcars facts » What may happen to a lead battery when overcharged?Explosion. Any lead-acid battery system when overcharged will produce hydrogen gas by electrolysis of water. If the rate of overcharge is small, the vents of each cell allow the dissipation of the gas. A severe overcharge may produce a flammable concentration of hydrogen.Created by: globalquiz.orgelectrics facts » What does HTC stand for in the HTC Corporation name?High Tech Computer. HTC was founded in 1997 as a manufacturer of notebook computers. The company changed name to HTC and doesn't use "High Tech Computer" name any more. However, some HTC smartphones are still visible as "High Tech Computer" devices when plugged into PC. Created by: globalquiz.orglogo facts » What material is computer's processor made of?Single crystal silicon is used in the fabrication of semiconductors. On the quantum scale that microprocessors operate on, the presence of grain boundaries would have a significant impact on the functionality of field effect transistors by altering local electrical properties. Therefore, microprocessor fabricators have invested heavily in facilities to produce large single crystals of silicon.Created by: Tschukacomputers facts » What display resolution is called "Full HD"?1920 x 1080. There are currently four different labels: "HD ready", "HD TV", "HD ready 1080p", "HD TV 1080p". The logos are awarded to television equipment capable of certain features.Created by: Tschukacomputers facts » Which type of transmission uses the shortest waves?Satellite TV. The Ku band is the portion of the electromagnetic spectrum in the microwave range of frequencies from 12 to 18 gigahertz (GHz). Ku band is primarily used for satellite communications, most notably for fixed and broadcast services, and for specific applications such as NASA's Tracking Data Relay Satellite used for both space shuttle and International Space Station Created by: TschukaTV facts » Which device converts an acoustic wave into an electrical signal?Microphone. A microphone, colloquially nicknamed mic or mike is a transducer that converts sound into an electrical signal. Microphones typically need to be connected to a preamplifier before the signal can be recorded or reproduced.Created by: Tschukaphysics facts » Which device converts electricity into acoustic energy?Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Created by: Tschukatechnology facts » In 1953, Samsung began producing its first product. What?Sugar. Samsung started out as a small trading company with forty employees located in Su-dong. Created by: Tschukahistory of technics facts » Who constructed the prototype of today's television - a telectroscope ?Jan Szczepanik from Poland. Jan Szczepanik was a Polish inventor, with several hundred patents and over 50 discoveries . Some of his concepts helped the future evolution of TV broadcasting, such as the telectroscope (an apparatus for distant reproduction of images and sound using electricity) or the wireless telegraph, which greatly affected the development of telecommunications. Created by: TschukaPoles facts » Play electronics quiz and see all the questions.