All computers use a hard drive to store programs and files.
Laptops use 2.5 inch hard drives, while desktops use 3.5 inch hard drives.
It can use either: real hard drives and virtual ones.
SATA IDE cable do most hard drives use toda.
IDE
The top four brands of 1TB Hard Drives are amongst others Western Digital hard drives, Seagate hard drives, Toshiba hard drives, and Hitachi hard drives.
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Laptop hard drives are very similar to desktop hard drives, indeed they work in exactly the same way and even use the same interfaces. However laptop hard drives are designed to be much smaller (2 inches as opposed to 3.5) and draw less power than desktop hard drives. As a result laptop hard drives are usually much slower in terms of data transfer and have much smaller storage capacity than a desktop hard drive of the same year manufacture. With an adapter it is possible to use a laptop hard drive in a desktop computer, and if mounted externally it is also possible to use a desktop hard drive on a laptop.
USB Ports enable use of External Devices such as Wireless Network Cards & Hard drives on Notebooks.
Modern hard drives connect to the hard drive using a SATA cable. Older ones use a larger, slower IDE cable.
No, most new hard drives use Serial ATA or SATA connectors.
Hard disk drives
USB stick.