KwickClips Computer Systems · 44 sec · free
Which is cheapest for large backups?
Short answer. Magnetic storage.
Which survives a drop better?
An SSD, because it has no moving parts.
Storage families
| Type | Example | Works by |
|---|---|---|
| Magnetic | HDD, tape | Magnets |
| Optical | DVD | Laser |
| Solid state | SSD | Flash chips |
Remember
| Magnetic: cheap, large |
| Solid state: fast, tough |
Three storage types. Which is fastest? Each stores zeros and ones differently. Magnetic uses magnets. Optical uses a laser. Solid state uses flash, and is fastest. Remember. Magnetic is cheap and large. Solid state is fast and tough.
This clip is from the full lesson: Secondary Storage: Magnetic, Optical, Solid State and Cloud — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Computer Applications (165), CBSE Class 9 Computer Applications (165), CBSE Class 9 Computer Applications (165), CBSE Class 11 Information Technology (802)
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