Primary Memory vs Secondary Memory — Difference (with Table)
Primary Memory vs Secondary Memory compared side by side — a 5-row comparison table and 4 key points. Class 9-10 Computer & GK, free and no sign-up.
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TL;DR: Primary Memory vs Secondary Memory compared side by side — a 5-row comparison table and 4 key points. Class 9-10 Computer & GK, free and no sign-up.
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The main difference between Primary Memory and Secondary Memory: Primary memory is faster but temporary while secondary memory is slower but permanent. Both are essential for computing.
Primary Memory vs Secondary Memory — Comparison Table
| Basis | Primary Memory | Secondary Memory |
|---|---|---|
| Permanence | Volatile, data lost on shutdown | Non-volatile, data persists |
| Speed | Very fast access | Slower access |
| Capacity | Limited capacity | Large capacity |
| Cost | Expensive per GB | Cheap per GB |
| Examples | RAM, cache | HDD, SSD, pen drive |
Key Points
- Primary memory directly accessed by CPU
- Secondary memory accessed via primary
- Primary holds running program data
- Secondary stores permanent data and programs