Digital Data Storage
Tutorials In This Section
Introduction to Digital Data Storage
What is Digital Data Storage?
Digital data storage, often called just storage or memory, is a technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers.
Digital Storage Media
Digital storage media refers to physical devices that store electronic data, allowing for retrieval and use by applications and users. Common types include hard disk drives (HDDs), solid-state drives (SSDs), and optical discs like CDs and DVDs.
| Storage Medium |
Year |
Approximate Number of Bytes |
| 5.25" Floppy Disk |
1978 |
360 KB |
| 5.25" Floppy Disk (Double-sided) |
1978 |
720 KB |
| 3.5" Floppy Disk |
1983 |
1.44 MB |
| 3.5" Floppy Disk (Double-sided) |
1984 |
2.88 MB |
| Magneto-Optical (MO) |
1985 |
9.2 GB and 2.6 GB |
| 3.5" Superdisk (LS-120) |
1996 |
120.375 MB |
| 3.5" Superdisk (LS-240) |
1997 |
240.75 MB |
| Iomega Zip |
1994 |
100 MB, 250 MB, 750 MB |
| Iomega Jaz |
1996 |
1 GB |
| Iomega Jaz |
1998 |
2 GB |
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