Aspect |
RAM (Random Access Memory) |
ROM (Read Only Memory) |
Full Form |
Rondom Access Memory | Real Cinly Mamary |
Type of Memory |
Volatile (data is Lost when power is off) | Non-Volatile in data is retained permanently) |
Data Retention |
Temporary storage, cleared after shutdown | Permanent storage, data is retained even without power |
Spend |
Very fast | Slower than RAM |
Purpose |
Stores data and instructio ns for running programs | Stores firmware and system boot instructio ns |
Read Write |
Read and Write | Mostly Read-Only (some types allow rewriting) |
Location |
On the motherbo ard, near the CPU | On the motherboard |
Upgradability |
Easy to upgrade | Difficult to upgrade |
Types |
SRAM, DRAM, SDRAM, DDR (DDRI, DDR2, DDR3, DDR4, DDR5) | PROM, EPROM, EEPROM, Flash ROM |
Cost |
Expensive | Cheaper |
Examples |
DDR4 RAM, DDR5 RAM | BIOS, Firmware, SSD memory |
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