Different between ram and rom
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Posted by Junad Ali 5 years, 2 months ago
- 2 answers
Gaurav Seth 5 years, 2 months ago
| Data retention | RAM is a volatile memory which could store the data as long as the power is supplied. | ROM is a non-volatile memory which could retain the data even when power is turned off. |
| Working type | Data stored in RAM can be retrieved and altered. | Data stored in ROM can only be read. |
| Use | Used to store the data that has to be currently processed by CPU temporarily. | It stores the instructions required during bootstrap of the computer. |
| Speed | It is a high-speed memory. | It is much slower than the RAM. |
| CPU Interaction | The CPU can access the data stored on it. | The CPU can not access the data stored on it unless the data is stored in RAM. |
| Size and Capacity | Large size with higher capacity. | Small size with less capacity. |
| Used as/in | CPU Cache, Primary memory. | Firmware, Micro-controllers |
| Accessibility | The data stored is easily accessible | The data stored is not as easily accessible as in RAM |
| Cost | Costlier | cheaper than RAM. |
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Astha Anand 5 years, 2 months ago
1Thank You