
What is Hard Disk Drive (HDD) ?
Ans. A hard disk is a secondary and permanent data storage device.
What are the types of HDD ?
Ans. Hard disks are of two types depending upon how it is connected to the system.
- Internal Hard Disk Drives
- External Hard Disk Drives
Important Points About Hard Disk Drive (HDD)
- The IDE interface specifies that the hard disk controller is built on the motherboard.
- The Serial ATA (SATA) transfers data between the hard disk and the system only 1 bit at a time with the speed of upto 500 MB per second.
- The ATA transfers data between the hard disk and the system using 15 bits width and speed upto 100/133 MB per second.
- SATA is a high speed serial interface designed to replace ATA and Ultra ATA drive interface standards.
- An External HDD is a portable storage device which is externally connected computer using high speed cables.
- Before choosing a Hard Disk Drive for your computer, various characteristics such as capacity, interface and RPM of the HDD should be taken into consideration.
- Follow the below mentioned steps to connect a hard disk drive to PC
- Make the jumper settings.
- Connect the interface cable to the drive as well as to the connector
- Check from BIOS whether the hard disk drive is detected or not.
- You must troubleshoot the hard disk when the hard disk is not detected or sound is coming from the hard disk.