HARDDISK
Introduction to computer
parts
Note: "There is four
type of Hard disks."
(i) 40 pins IDE/ PATA
Harddisk
[Parallel Advanced Technology Attachment]
(ii) 7 pins SATA Hard
disk
[Serial Advanced Technology Attachment]
(iii) 50 pins SCSI Hard disk
[Small Computer System interface]
(vi) RAID Hard disk
[Redundancy Array Independent Disk]
Note: Hard disk speeds
& its maximum capacities.
(i) 40 pins IDE/PATA
hard disk maximum capacity is 250 GB & its speed is 7,200 rpm (Revolution
per minute)
(ii) 7 pins SATA hard
disk maximum capacity is 2000 GB & its speed is 10,000 rpm.
(iii) 50 pins SCSI hard
disk maximum capacity is 4 GB & its speed is 15,000 rpm.
(iv) RAID hard disk same
as SATA hard disk