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Ten computer ports that are no longer commonly used

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    1. Parallel Port

    Used primarily for connecting printers. It could transfer data in parallel, hence the name.

    2. Serial Port (RS-232)

    Used for connecting modems, mice, and other peripherals. It transferred data serially, one bit at a time.

    3. PS/2 Port

    Used for connecting keyboards and mice. It was smaller and faster than the serial port for these devices.

    4. VGA Port

    Used for connecting monitors. It carried analog video signals and was the standard for many years.

    5. DIN Connector

    Used for connecting keyboards before the PS/2 port. It was larger and bulkier.

    6. SCSI Port

    Used for connecting hard drives, CD-ROM drives, and other peripherals. It was faster than other options of its time.

    7. Game Port

    Used for connecting joysticks and game controllers before USB became standard.

    8. FireWire (IEEE 1394)

    Used for high-speed data transfer, particularly popular for connecting digital cameras and external hard drives.

    9. eSATA Port

    Used for connecting external hard drives. It was faster than USB 2.0 for data transfer.

    10. ExpressCard Slot

    Used in laptops as an expansion slot for adding hardware capabilities like extra USB ports or Wi-Fi cards.

    While some of these ports may still be found on older equipment, they have largely been replaced by more modern, versatile options like USB, HDMI, and Thunderbolt.

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