In1985, Apple sold a 20 MB hard disk for the astounding sum of $1,495. This disk was a lot slower than current hard disks, spinning at only 2,744 RPM. Current hard drives generally spin at 5,400 or 7,200 RPM, though there are some that are faster. (Performance is not just about speed, there are other features that can make a drive read or
Readwrite arm swings read-write head back and forth across platter. Central spindle allows platter to rotate at high speed. Magnetic platter stores information in binary form. Plug connections link hard drive to circuit board in personal computer. Read-write head is a tiny magnet on the end of the read-write arm.

InDisk Utility select your Mac's internal drive, making sure to click on the drive and not the volume beneath it. You should see two tabs below the toolbar: First Aid and Partition. Click

Disk1 is internal hard drive Disk Management is showing the Toshiba split over two separate rows. As opposed to how the hard drive was shown previously when an internal hard drive on SATA connection. Which was as a single row with 5 partitions. As the hard drive has been split into a 2TB part and 750 GB in 2nd disk it looks like the hard drive
SATAhard drives are incredibly fast compared to their predecessor, the PATA hard drive, and can write to the disk with an interface rate of 6 Gb/s with a throughput of 600 MB/s. A single drive can range from 500 GB to 16 TB and are available at a lower cost than any of the other drive types discussed here. Essentially disk cloning is the process of perfectly copying every bit of information from one computer's hard drive to another disk. The first disk's contents are often written to an image file as an intermediate step. Even computer novices can use the easy-to-follow wizard's guide through the setup process. Once the initial setup is H1MRXT.
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    • can i use 2 internal hard disk in one pc