• an error code (or a return code) is a numeric or alphanumeric code that indicates the nature of an error and, when possible, why it occurred. Error codes...
    6 KB (657 words) - 15:58, 1 April 2025
  • Thumbnail for List of HTTP status codes
    request and receive a 100 Continue status code in response before sending the body. If the client receives an error code such as 403 (Forbidden) or 405 (Method...
    46 KB (5,599 words) - 10:40, 11 June 2025
  • information theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors in data transmission over...
    40 KB (4,684 words) - 10:12, 6 June 2025
  • Thumbnail for Error detection and correction
    information theory and coding theory with applications in computer science and telecommunications, error detection and correction (EDAC) or error control are techniques...
    35 KB (4,301 words) - 11:57, 16 June 2025
  • In information theory and coding theory, Reed–Solomon codes are a group of error-correcting codes that were introduced by Irving S. Reed and Gustave Solomon...
    75 KB (12,395 words) - 16:42, 29 April 2025
  • Thumbnail for Hamming code
    Hamming codes are a family of linear error-correcting codes. Hamming codes can detect one-bit and two-bit errors, or correct one-bit errors without detection...
    29 KB (4,043 words) - 18:49, 12 March 2025
  • Thumbnail for HTTP 403
    HTTP 403 (redirect from Error code 403)
    account. Error 403: "The server understood the request, but is refusing to authorize it.": §15.5.4  Error 401: "The 401 (Unauthorized) status code indicates...
    6 KB (654 words) - 13:05, 8 June 2025
  • Thumbnail for HTTP 404
    HTTP 404 (redirect from 404 (error code))
    found, 404, 404 error, page not found, or file not found error message is a hypertext transfer protocol (HTTP) standard response code, to indicate that...
    16 KB (1,945 words) - 23:09, 3 June 2025
  • Classical error correction often employs redundancy. The simplest albeit inefficient approach is the repetition code. A repetition code stores the desired...
    45 KB (6,099 words) - 12:34, 9 May 2025
  • In coding theory, concatenated codes form a class of error-correcting codes that are derived by combining an inner code and an outer code. They were conceived...
    17 KB (2,094 words) - 22:27, 28 May 2025
  • instead of two. Gray codes are widely used to prevent spurious output from electromechanical switches and to facilitate error correction in digital communications...
    181 KB (15,921 words) - 01:50, 18 June 2025
  • Thumbnail for ECC memory
    Error correction code memory (ECC memory) is a type of computer data storage that uses an error correction code (ECC) to detect and correct n-bit data...
    30 KB (3,338 words) - 12:06, 12 June 2025
  • Thumbnail for Blue screen of death
    (BSoD) – or blue screen error, blue screen, fatal error, bugcheck, and officially known as a stop error – is a critical error screen displayed by the...
    46 KB (5,037 words) - 20:04, 27 May 2025
  • Thumbnail for QR code
    QR codes). The text refers to a QR Code with a "Level H" error correction. Other levels provide higher capacity. QR codes use Reed–Solomon error correction...
    96 KB (9,954 words) - 11:34, 18 June 2025
  • Thumbnail for Power-on self-test
    some computers, an indicator lamp or a speaker may be provided to show error codes as a sequence of flashes or beeps in the event that a computer display...
    24 KB (2,385 words) - 06:35, 10 June 2025
  • Exit status (redirect from ErrorLevel)
    integer exit code returned by an executable program or subroutine. Errorlevels typically range from 0 to 255. In DOS there are only 256 error codes available...
    15 KB (1,646 words) - 14:17, 19 January 2025
  • Thumbnail for Coding theory
    used for data compression, cryptography, error detection and correction, data transmission and data storage. Codes are studied by various scientific disciplines—such...
    27 KB (3,712 words) - 13:40, 27 April 2025
  • In coding theory, burst error-correcting codes employ methods of correcting burst errors, which are errors that occur in many consecutive bits rather...
    48 KB (9,235 words) - 13:24, 30 April 2025
  • parity-check (LDPC) codes are a class of error correction codes which (together with the closely-related turbo codes) have gained prominence in coding theory and...
    36 KB (4,626 words) - 03:13, 7 June 2025
  • information theory, and searching theory, error-correcting codes with feedback are error correcting codes designed to work in the presence of feedback...
    3 KB (397 words) - 06:10, 1 October 2024
  • Thumbnail for Cyclic code
    coding theory, a cyclic code is a block code, where the circular shifts of each codeword gives another word that belongs to the code. They are error-correcting...
    27 KB (5,187 words) - 01:11, 9 May 2025
  • In coding theory, the Bose–Chaudhuri–Hocquenghem codes (BCH codes) form a class of cyclic error-correcting codes that are constructed using polynomials...
    50 KB (10,768 words) - 03:46, 1 June 2025
  • The five-qubit error correcting code or the [[5,1,3]] code, is the smallest quantum error correcting code that can protect a logical qubit from any arbitrary...
    10 KB (1,262 words) - 01:24, 25 May 2025
  • signals Burst error Error correction code Errored second Pseudo bit error ratio Viterbi Error Rate Jit Lim (14 December 2010). "Is BER the bit error ratio or...
    14 KB (2,133 words) - 21:33, 2 February 2025
  • Thumbnail for HTTP 451
    HTTP 451 (redirect from 451 error)
    Codes Registry to include 451. Examples of situations where an HTTP 451 error code could be displayed include web pages deemed a danger to national security...
    9 KB (1,011 words) - 06:38, 13 May 2025
  • variable's value in Java code is a syntax error, but many others would disagree and would classify this as a (static) semantic error. In 8-bit home computers...
    4 KB (504 words) - 16:56, 12 June 2025
  • Key Code Qualifier is an error-code returned by a SCSI device. When a SCSI target device returns a check condition in response to a command, the initiator...
    13 KB (209 words) - 22:16, 9 December 2024
  • In coding theory, a linear code is an error-correcting code for which any linear combination of codewords is also a codeword. Linear codes are traditionally...
    17 KB (2,694 words) - 03:34, 28 November 2024
  • Thumbnail for Xbox 360 technical problems
    one-light error if an "E XX" error message is displayed and a three-light error code if the error message is absent. The related E74 error caused only...
    36 KB (3,885 words) - 08:39, 8 June 2025
  • the user of the software, when combined with meaningful error messages, error codes or error types shown in a UI, as console messages, or as data returned...
    8 KB (1,024 words) - 09:06, 18 August 2024