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  2. System Mechanic Software | 30-Day Free* Trial | AOL Products

    www.aol.com/products/utilities/system-mechanic

    System Mechanic is an easy solution for optimal PC performance and simple computing. ... Runs a full battery of over 200 critical tests in just a few minutes, using over 30 tools to help speed up ...

  3. The ultimate guide to computer health: How to ensure ... - AOL

    www.aol.com/lifestyle/the-ultimate-guide-to...

    Essential software and tools for a computer health check. ... Enhancing your computer's efficiency by adjusting power settings can extend battery life and improve performance.

  4. PCMark - Wikipedia

    en.wikipedia.org/wiki/PCMark

    PCMark is a computer benchmark tool developed by UL (formerly Futuremark) to test the performance of a PC at the system and component level.In most cases, the tests in PCMark are designed to represent typical home user workloads.

  5. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    A laptop's battery is charged using an external power supply, which is plugged into a wall outlet. The power supply outputs a DC voltage typically in the range of 7.2—24 volts. The power supply is usually external and connected to the laptop through a DC connector cable. In most cases, it can charge the battery and power the laptop ...

  6. Benchmark (computing) - Wikipedia

    en.wikipedia.org/wiki/Benchmark_(computing)

    A graphical demo running as a benchmark of the OGRE engine. In computing, a benchmark is the act of running a computer program, a set of programs, or other operations, in order to assess the relative performance of an object, normally by running a number of standard tests and trials against it.

  7. Battery tester - Wikipedia

    en.wikipedia.org/wiki/Battery_tester

    Battery tester. A battery tester is an electronic device intended for testing the state of an electric battery, going from a simple device for testing the charge actually present in the cells and/or its voltage output, to a more comprehensive testing of the battery's condition, namely its capacity for accumulating charge and any possible flaws affecting the battery's performance and security.

  8. Electric battery - Wikipedia

    en.wikipedia.org/wiki/Electric_battery

    An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2] The terminal marked negative is the source of electrons.

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