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SCSI is an interface used for attaching which of the following?

  1. Motherboards

  2. Internal Hard Drives

  3. External Peripherals like printers and scanners

  4. GPU

The correct answer is: External Peripherals like printers and scanners

SCSI, which stands for Small Computer System Interface, is a set of standards for connecting and transferring data between computers and peripheral devices. It is particularly well-suited for a variety of external peripherals, such as printers and scanners, allowing for multiple connections through a single SCSI bus. While SCSI can also be used with internal hard drives, the primary focus of SCSI technology has been on facilitating communication with a variety of external devices, making it a versatile interface for diverse peripheral needs. Therefore, the correct association is with external peripherals like printers and scanners.