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  2. System Idle Process - Wikipedia

    en.wikipedia.org/wiki/System_Idle_Process

    In Windows 2000 and later the threads in the System Idle Process are also used to implement CPU power saving. The exact power saving scheme depends on the operating system version and on the hardware and firmware capabilities of the system in question.

  3. Garbage collection (computer science) - Wikipedia

    en.wikipedia.org/wiki/Garbage_collection...

    Stop-and-copy garbage collection in a Lisp architecture: [1] Memory is divided into working and free memory; new objects are allocated in the former. When it is full (depicted), garbage collection is performed: All data structures still in use are located by pointer tracing and copied into consecutive locations in free memory.

  4. Cyclic redundancy check - Wikipedia

    en.wikipedia.org/wiki/Cyclic_redundancy_check

    The advantage of choosing a primitive polynomial as the generator for a CRC code is that the resulting code has maximal total block length in the sense that all 1-bit errors within that block length have different remainders (also called syndromes) and therefore, since the remainder is a linear function of the block, the code can detect all 2 ...

  5. Timeline of DOS operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_DOS_operating...

    It provides an extra 50 KB above the 640 KB DOS limit, when running on a system with more than 1 MB of extended memory available. A future version, as well as the next EMS, will add 64 KB rather than 50 KB to main memory. Windows/286 still runs on 8086/8088-based systems, but without this new memory. Windows/386, version 2.1 was also released ...

  6. WebAssembly - Wikipedia

    en.wikipedia.org/wiki/WebAssembly

    The list of instructions includes standard memory load/store instructions, numeric, parametric, control of flow instruction types and Wasm-specific variable instructions. [ 105 ] The number of opcodes used in the original standard (MVP) was a bit fewer than 200 of the 256 possible opcodes.

  7. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.

  8. Display lag - Wikipedia

    en.wikipedia.org/wiki/Display_lag

    Given a smaller window of say 2 frames, however, the effect of lag becomes much more significant. Assuming the human's response is centered on the 2 frame window and the super-human has a 99.99% chance to hit the window, introducing a full frame of lag causes the success rate to drop all the way to about 50%.

  9. Optical character recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_character_recognition

    Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...