Personal Computer Components

  • If two drives are attached to one controller in a computer, one drive should be set as Master and the other as Slave.
  • If you are unable to open the CD-ROM drive tray by pushing the Eject button on the front panel, open it by inserting a pin into the eject hole on the CD-ROM drive.
  • Secure Digital (SD) card is a non-volatile memory card format used in portable devices such as mobile phones, digital cameras, and handheld computers.
  • CD-ROM, SD card, USB Pen drive, floppy disk, etc., are removable storage media.
  • The serial port comes with two types of connectors, 9-pin and 25-pin. It sends data one bit at a time, over a single wire.
  • A standard IDE/EIDE drive cable has 40 wires.
  • Direct Memory Access (DMA) optimizes the I/O transfer speed in a computer.
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