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  2. Power-on self-test - Wikipedia

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

    1.4.2 POST AMI BIOS beep codes [4] 1.4.3 POST beep codes on CompTIA A+ certification exam. 1.4.4 IBM POST diagnostic code descriptions. 2 Macintosh POST.

  3. Beep line - Wikipedia

    en.wikipedia.org/wiki/Beep_line

    [19]: 1 While beep lines were not initially illegal in the United States, [16] [b] they were frowned upon by the telephone companies because of their potential to overload a main trunk line in a central office, [4] preventing normal telephone service for a given area and potentially leading to outages for critical lines such as hospitals and ...

  4. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Code 4 - Negotiated response time. Proceed without lights or siren. Road rules must be obeyed. For Queensland Police code 1 and code 2 are exactly the same response time. Rarely will a job be given a priority code 1, instead officers will (in most cases) be told to respond code 2.

  5. Dell Dimension - Wikipedia

    en.wikipedia.org/wiki/Dell_Dimension

    Download QR code; Print/export ... The Dell Dimension is a ... (2.26, 2.4, 2.533, 2.66, 2.8, or 3.06 GHz/533 & 2.4, 2.6, 2.8, 3.0, 3.2, or 3.4 GHz/800 w/512K or 1 MB ...

  6. Specific Area Message Encoding - Wikipedia

    en.wikipedia.org/wiki/Specific_Area_Message_Encoding

    The text of the header code is a fixed format: <Preamble>ZCZC-ORG-EEE-PSSCCC+TTTT-JJJHHMM-LLLLLLLL- This is broken down as follows: 1. A preamble of binary 10101011 (0xAB in hex) repeated sixteen times, used for "receiver calibration" (i.e., clock synchronization), then the letters ZCZC as an attention to the decoder (a message activation method inherited from NAVTEX).

  7. Wyse - Wikipedia

    en.wikipedia.org/wiki/Wyse

    Wyse sold through 2-tier distribution, which limited growth in the late 1980s as mail order companies like Dell and Gateway entered the marketplace. In 1984 Wyse became one of the leaders in the general purpose text (GPT) terminal industry and on August 17, 1984, went public on the New York Stock Exchange .

  8. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    The code-rate is hence a real number. A low code-rate close to zero implies a strong code that uses many redundant bits to achieve a good performance, while a large code-rate close to 1 implies a weak code. The redundant bits that protect the information have to be transferred using the same communication resources that they are trying to protect.

  9. Key Code Qualifier - Wikipedia

    en.wikipedia.org/wiki/Key_Code_Qualifier

    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 usually then issues a SCSI Request Sense command .