The term upgrade refers to the replacement of a product with a newer version of the same product.
It is most often used in computing and consumer electronics, generally meaning a replacement of hardware, software or firmware with a newer or better version, in order to bring the system up to date or to improve its characteristics.
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In IBM PC Compatible computers, the basic input/output system (BIOS), also known as th..
A CD-ROM drive may be connected to the computer via an IDE (ATA), SCSI, S-ATA, Firewire, or..
A power supply unit (PSU) is the component that supplies power to the other components in a compu..
A hard disk drive (HDD) is a non-volatile, random access device for digital data. It f..
Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integr..
A video card, video adapter, graphics accelerator card, display adapter, or graphics c..
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