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  2. Memory leak - Wikipedia

    en.wikipedia.org/wiki/Memory_leak

    A memory leak can cause an increase in memory usage and performance run-time, and can negatively impact the user experience. [4] Eventually, in the worst case, too much of the available memory may become allocated and all or part of the system or device stops working correctly, the application fails, or the system slows down vastly due to ...

  3. Halt and Catch Fire (computing) - Wikipedia

    en.wikipedia.org/wiki/Halt_and_Catch_Fire...

    The Motorola 6800 microprocessor was the first for which an undocumented assembly mnemonic HCF became widely known. The operation codes (opcodes—the portions of the machine language instructions that specify an operation to be performed) hexadecimal 9D and DD were reported and given the unofficial mnemonic HCF in a December 1977 article by Gerry Wheeler in BYTE magazine on undocumented ...

  4. Software performance testing - Wikipedia

    en.wikipedia.org/wiki/Software_performance_testing

    Ensure that the test environment is instrumented for resource monitoring as necessary. Implement the Test Design. Develop the performance tests in accordance with the test design. Execute the Test. Run and monitor your tests. Validate the tests, test data, and results collection. Execute validated tests for analysis while monitoring the test ...

  5. Hard disk drive failure - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_failure

    There are a number of causes for hard drives to fail including: human error, hardware failure, firmware corruption, media damage, heat, water damage, power issues and mishaps. [1] Drive manufacturers typically specify a mean time between failures (MTBF) or an annualized failure rate (AFR) which are population statistics that can't predict the ...

  6. Computer cooling - Wikipedia

    en.wikipedia.org/wiki/Computer_cooling

    A finned air cooled heatsink with fan clipped onto a CPU, with a smaller passive heatsink without fan in the background A 3-fan heatsink mounted on a video card to maximize cooling efficiency of the GPU and surrounding components Commodore 128DCR computer's switch-mode power supply, with a user-installed 60 mm cooling fan.

  7. Atherosclerosis: What Men Need to Know About Plaque Buildup ...

    www.aol.com/atherosclerosis-men-know-plaque...

    Globally, it causes about 10 million deaths per year. Atherosclerosis is characterized by the build-up of plaque inside your blood vessels. It can lead to stenosis, which is a narrowing of your ...

  8. Computer virus - Wikipedia

    en.wikipedia.org/wiki/Computer_virus

    This is an accepted version of this page This is the latest accepted revision, reviewed on 7 December 2024. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...

  9. Packet loss - Wikipedia

    en.wikipedia.org/wiki/Packet_loss

    Network congestion is a cause of packet loss that can affect all types of networks. When content arrives for a sustained period at a given router or network segment at a rate greater than it is possible to send through, there is no other option than to drop packets.