To make them easy to upgrade.
They can also be external.
Most likely you will have to reinstall the drives for the CD and DVD units
Hot swappable means the same thing whether the computer is a laptop, desktop or server. It means that you can remove and replace a drive (hard drive or removable media) while the computer is running.
The hard drive, the optical drive and usually memory are the easiest components to replace. Of the three, the optical drive is probably the easiest... usually one screw.
You can not only use optical cleaning cloths on your laptop, it's actually recommended as it's not abrasive.
yes.
Solid State Drives are currently replacing hard drives in most desktop and laptop computers, and have already replaced them completely in tablets, smartphones, and portable media players. Solid state drives use much of the same technology found in USB flash drives and SD cards.
Yes, you can replace a hard drive in an HP laptop. Hard drives for laptops are a standard 2.5 inch size drive. You can pick them up online between $50-$200 depending on the size and if its solid state drive or a mechanical drive
You can install them the same way as all other hard drives to your laptop. You can put the CD into your laptop and install it or you can put in the USB cord and install it like that.
Not all portable hard drives work with every laptop. Some portable hard drives are formated for specific types of laptops. For example a portable hard drive that is formated for a Mac cannot be used with a windows laptop
It depends what you are talking about. External hard drives should have no problem running on a Vaio laptop but if you are going to try to replace the main HD, good luck. Make sure the size fits.
Buy an optical external disk drive.