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  2. Screen tearing - Wikipedia

    en.wikipedia.org/wiki/Screen_tearing

    Too much latency causes the monitor to overtake the software on occasion, leading to rendering artifacts, tearing, etc. Demo software on classic systems such as the Commodore 64 and ZX Spectrum frequently exploited those techniques because of the predictable nature of their respective video systems to achieve effects that might otherwise be ...

  3. Duplex mismatch - Wikipedia

    en.wikipedia.org/wiki/Duplex_mismatch

    It does not detect any collision since CSMA/CD is disabled on the full-duplex side. As a result, when both devices are attempting to transmit at (nearly) the same time, the packet sent by the full-duplex end will be discarded and lost due to an assumed collision and the packet sent by the half duplex device will be delayed or lost due to a CRC ...

  4. Non-maskable interrupt - Wikipedia

    en.wikipedia.org/wiki/Non-maskable_interrupt

    Programmers typically use debugging NMIs to diagnose and fix faulty code. In such cases, an NMI can execute an interrupt handler that transfers control to a special monitor program. From this program, a developer can inspect the machine's memory and examine the internal state of the program at the instant of its interruption.

  5. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    No RAM installed/detected Three successive tones followed by a repeating five-second pause: Incompatible RAM types; No good banks One long tone while the power button is held down: EFI ROM update in progress (For Macs made until 2012) Three long tones, three short tones, three long tones: EFI ROM corruption detected, ROM recovery in process

  6. Interrupt - Wikipedia

    en.wikipedia.org/wiki/Interrupt

    A hardware interrupt is a condition related to the state of the hardware that may be signaled by an external hardware device, e.g., an interrupt request (IRQ) line on a PC, or detected by devices embedded in processor logic (e.g., the CPU timer in IBM System/370), to communicate that the device needs attention from the operating system (OS) [7] or, if there is no OS, from the bare metal ...

  7. Computer monitor - Wikipedia

    en.wikipedia.org/wiki/Computer_monitor

    Refresh rate is (in CRTs) the number of times in a second that the display is illuminated (the number of times a second a raster scan is completed). In LCDs it is the number of times the image can be changed per second, expressed in hertz (Hz). Determines the maximum number of frames per second (FPS) a monitor is capable of showing.

  8. Race condition - Wikipedia

    en.wikipedia.org/wiki/Race_condition

    When the input value A changes from low to high, the circuit outputs a short spike of duration (∆t 1 + ∆t 2) − ∆t 2 = ∆t 1. A race condition or race hazard is the condition of an electronics , software , or other system where the system's substantive behavior is dependent on the sequence or timing of other uncontrollable events ...

  9. Backward compatibility - Wikipedia

    en.wikipedia.org/wiki/Backward_compatibility

    Stereo FM receivers can receive a mono signal and decode it without the need for a second signal, and they can separate a sum signal to left and right channels if both sum and difference signals are received. Without the requirement for backward compatibility, a simpler method could have been chosen. [3]