KwickClips Computer Systems · 40 sec · free
Why is unsaved work lost?
Short answer. It was in RAM, which is volatile.
Which memory keeps the startup program?
ROM.
Units
| Unit | Example |
|---|---|
| Input | keyboard |
| Output | monitor |
| RAM | loses data |
| ROM | keeps data |
Remember
| Unsaved work lives in RAM |
| Save to keep it |
Power cuts before saving. Why is your story gone? Input is the keyboard. Output is the monitor. RAM loses data without power. ROM keeps its data. Unsaved work lives in RAM. Save to keep it.
This clip is from the full lesson: Components of a Computer System and the Block Diagram — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Computer Applications (165), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083), CBSE Class 11 Informatics Practices (065)
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