By et al., David Groth, Faithe Wempen
The fitting A+ coaching and evaluate ToolFrom the writer of Sybex's best-selling A+ learn consultant comes the streamlined device you must bone up on severe A+ details: A+ speedy go. The enclosed CD helps you to perform, perform, perform so that you can procedure the assessments with confidence.Coverage includes:Installing, configuring, and upgrading hardwareDiagnosing and troubleshooting problemsPerforming preventive maintenanceAddressing security and environmental issuesWorking with motherboards, processors, and memoryWorking with printersUnderstanding actual networking techniquesUnderstanding OS fundamentalsInstalling, configuring, and upgrading working platforms and applicationsDiagnosing and troubleshooting software program problemsConfiguring community software program
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9 describes the speeds and characteristics of internal expansion buses.
Examples might include an ISA expansion card or a device that connects to a COM or LPT port rather than using the newer USB port. The term legacy can also refer to a piece of used hardware that is based on older technology internally. Windows supports a wide variety of legacy devices with its own native drivers, but it may sometimes be necessary to seek out a driver for a legacy device to run under a particular operating system version. The best source is the website of the device manufacturer.
By placing the BIOS update disk in the floppy drive and booting the machine, a technician can reprogram the system’s BIOS to handle new hardware devices that the manufacturer has included. This works because the BIOS in modern systems is written in an Electrically Erasable Programmable ROM (EEPROM) chip. This chip is normally read-only, but when it receives a stronger-than-normal voltage of electricity, it can temporarily become rewriteable. The utility for updating the BIOS includes instructions to the motherboard to deliver this extra-strong electricity prior to the new BIOS update being sent to the chip.
A+ Fast Pass by et al., David Groth, Faithe Wempen