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  2. Serial port - Wikipedia

    en.wikipedia.org/wiki/Serial_port

    Unix-like operating systems usually label the serial port devices /dev/tty*. TTY is a common trademark-free abbreviation for teletype , a device commonly attached to early computers' serial ports, and * represents a string identifying the specific port; the syntax of that string depends on the operating system and the device.

  3. Spectrum analyzer - Wikipedia

    en.wikipedia.org/wiki/Spectrum_analyzer

    For example, this image shows the difference between how a spectrum is displayed in a normal swept spectrum view and using a "Persistence" view on a realtime spectrum analyzer. Bluetooth signal hidden behind wireless LAN signal

  4. Digital data - Wikipedia

    en.wikipedia.org/wiki/Digital_data

    Digital clock.The time shown by the digits on the face at any instant is digital data. The actual precise time is analog data. Digital data, in information theory and information systems, is information represented as a string of discrete symbols, each of which can take on one of only a finite number of values from some alphabet, such as letters or digits.

  5. Talk:sRGB - Wikipedia

    en.wikipedia.org/wiki/Talk:SRGB

    show a big box at rgb value 255 and bring the digital multimeter with Lux support Conrad Dt-21 neares to screen and i measure 79 Lux. I use always same place on screen. with rgb value 128 i measure 34 Lux /rgb 64 measure 16,5 Lux /rgb 8 measure 3,1 Lux /rgb 0 measure 1.0 Lux

  6. Magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Magnetic_resonance_imaging

    Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to generate pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields, magnetic field gradients, and radio waves to form images of the organs in the body.

  7. Slot machine - Wikipedia

    en.wikipedia.org/wiki/Slot_machine

    The one mid-size payout that is designed to give the player a thrill is the 80:1 payout. It is programmed to occur an average of once every 219 plays. The 80:1 payout is high enough to create excitement, but not high enough that it makes it likely that the player will take their winnings and abandon the game.

  8. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    Mains electricity or utility power, grid power, domestic power, and wall power, or, in some parts of Canada, hydro, is a general-purpose alternating-current (AC) electric power supply.

  9. Nickel–metal hydride battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–metal_hydride_battery

    Typical alkaline AA-size batteries, which offer approximately 2.6 Ah capacity at low current demand (25 mA), provide only 1.3 Ah capacity with a 500 mA load. [39] Digital cameras with LCDs and flashlights can draw over 1 A, quickly depleting them. NiMH cells can deliver these current levels without similar loss of capacity. [20]