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No.
Yes they will
BD-RE
Yes in fact most do. While there is new SSD(solid state drive) technology, standard hard drives still have disks. An SSD is extremely fast and efficient but more expensive.
No. A standard DVD disk does not have the capacity to record a movie in BluRay format.
It is a standard CD driver, for use with DOS and other low level boot disks, Google it for more information.
The best format is Blu-Ray DVD disks, but the most common disk is a standard DVD disk.
They are different sizes, but 3.5" and 5.25" were fairly standard. They even had huge 8 inch drives on some machines.
That would depend on what you mean by "standard." All drives made in last 20 years or so have supported HD (1.44 MB) disks.
they are floppy disks
The traditional industry standard is basic storage.
"disks"