KwickClips Computer Systems · 40 sec · free
Why can ROM not hold your files?
Short answer. It cannot be changed to save your files.
What keeps files after power off?
Secondary storage.
RAM is not enough
| Volatile: lost at power off |
| Small: only a few GB |
| Costly per GB |
Remember
| Storage keeps files safely |
Why not store all your files in RAM? RAM has three problems. It is volatile. It is small. It costs a lot per GB. So we use storage too. Remember. Storage keeps files after power off.
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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