Formerly they had, but nowadays when compared to pendrives they have a small storage capacity, do not surpassing 700 MB. The tendency of storing devices is directed to pendrives due to their inumerous advantages.
true, cds- dvds (dvds both text and even videos)
Current ____ have storage capacities of 16 GB to 256 GB and more. SSD's
Miniature hard disks have storage capacities that range from 1 GB to 320 GB.
1.5 TB of storage
CDs when first came, it was a miracle of getting data on a thin circular thing that too with a large storage capability instead of the then floppy disk, which did not have storage capacity like a CD had. CDs market boomed whereas the floppy market declined and ultimately floppies became extinct. CDs were the base product for DVDs.
A CD storage unit is for the storage and organization of CDs. It is convenient, light, and affordable.
SSD
miniature
it is a removable storage device
Two storage capacities of a basic CD-ROM expressed are 682 MB and 700 MB. The Compact Disk is responsible for the floppy diskette becoming obsolete as a medium of data storage.
Neither. They are removable magnetic storage. Optical storage consist of CDs, DVDs, etc.
They hold stuff until you need it later. Computer storage devices are machines that read stored data from storage media such as CDs.