RAM, random access memory, and ROM, read-only memory, are both parts of our personal computer. It is an important topic that invites questions in the Bank exam. Both are important parts of your computer. RAM is volatile memory that temporarily stores the files you work on, whereas ROM is a non-volatile memory that permanently stores instructions for your computer. It is used in computers and other electronic devices. RAM is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code.
In this article, we will present you the difference between RAM and ROM, which will help you in understanding them in a better way and get equipped to answer the question on it.
Given below are the main differences between RAM & ROM:
| RAM | ROM |
| Random Access Memory (RAM) is expensive in comparison to ROM | ROM is cheaper to RAM. |
| Random Access Memory (RAM) has a higher capacity than ROM | ROM has a lower capacity than RAM |
| The speed of Random-Access Memory (RAM) is higher than to ROM | The speed of Read-only Memory (ROM) is slower than RAM. |
| You can modify, erase, or read the Data in RAM. | You can only read the Data, it cannot be modified or deleted. |
| Data stored on RAM can be accessed by the Central Processing Unit. | If the Central Processing Unit (CPU) needs to access the data on ROM, the data needs to be first transferred to RAM, and then the Central Processing Unit (CPU), which will be able to access the data. |
| The data stored in RAM is used by the Central Processing Unit (CPU) to process current instructions | The data stored in ROM is used to bootstrap the computer. |
| Data of RAM is very volatile in nature. It will remain there until and unless there is no interruption in power. Volatile memory can be changed, upgraded, or expanded easily by users. | Data present in Read-Only Memory (ROM) is not volatile. It is permanent. Data will remain unchanged even when there is a disruption in the power supply. |
| Storages in MBs | Storage in GBs |
| Writing data is faster | Writing data is slower |
| Used in normal operations | Used for start-up process of the computer |
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Conclusion
You will have understood the major differences between RAM and ROM by the table given above. This will help you in answering any related questions that usually occur in bank exams.
FAQ about RAM & ROM
Q1. What are the types of ROM (Read Only Memory)?
ROM is classified into 4 types ROM:
- ROM, PROM (Programmable read-only memory)
- EPROM (Erasable Programmable read only memory)
- EEPROM (Electrically erasable programmable read only memory)
Q2. What are the types of RAM (Random Access Memory)?
There are two types of RAM are:
- Static RAM (SRAM)
- Dynamic RAM (DRAM)
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