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  2. Computer maintenance - Wikipedia

    en.wikipedia.org/wiki/Computer_maintenance

    Computer maintenance is the practice of keeping computers in a good state of repair. A computer containing accumulated dust and debris may not run properly. A computer containing accumulated dust and debris may not run properly.

  3. Computer repair technician - Wikipedia

    en.wikipedia.org/wiki/Computer_repair_technician

    This type of computer repair technician ranges from hobbyists and enthusiasts to those who work professionally in the field. Computer malfunctions can range from a minor setting that is incorrect, to spyware, viruses, and as far as replacing hardware and an entire operating system. Some technicians provide on-site services, usually at an hourly ...

  4. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    The storage of computer programs is key to the operation of modern computers and is the connection between computer hardware and software. [7] Even prior to this, in the mid-19th century mathematician George Boole invented Boolean algebra —a system of logic where each proposition is either true or false.

  5. IT service management - Wikipedia

    en.wikipedia.org/wiki/IT_service_management

    A service desk is a primary IT function within the discipline of IT service management (ITSM) as defined by ITIL. It is intended to provide a Single Point of Contact (SPOC) to meet the communication needs of both users and IT staff, [7] and also to satisfy both Customer and IT Provider objectives.

  6. Watchdog timer - Wikipedia

    en.wikipedia.org/wiki/Watchdog_timer

    If, due to a hardware fault or program error, the computer fails to restart the watchdog, the timer will elapse and generate a timeout signal. The timeout signal is used to initiate corrective actions. The corrective actions typically include placing the computer and associated hardware in a safe state and invoking a computer reboot.

  7. Device driver - Wikipedia

    en.wikipedia.org/wiki/Device_driver

    A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used. A driver communicates with the device through the computer bus or communications

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Computer architecture - Wikipedia

    en.wikipedia.org/wiki/Computer_architecture

    The earliest computer architectures were designed on paper and then directly built into the final hardware form. [12] Later, computer architecture prototypes were physically built in the form of a transistor–transistor logic (TTL) computer—such as the prototypes of the 6800 and the PA-RISC—tested, and tweaked, before committing to the ...