The Difference between RAM and ROM - الاختلاف بين ذاكرة الوصول العشوائي وذاكرة القراءة فقط RAM /ROM

RAM vs ROM 

RAM :Random Access Memory

✅RAM is expensive when compared to ROM 

✅The speed of RAM is higher when compared to ROM 

✅Data in RAM can be modified erased ,or read 

✅The Data stared in RAM is used by the central processing Unit(CPU) to to process current instruction

✅Data stared on RAM  can be accessed by the CPU 

✅Data of RAM is very valatile ,it will axist as a long a there is no interruption in power.

ROM :Read Only Memory 

✅ROM is cheaper when compared to RAM

✅The speed of ROM  us slower ....to RAM 

✅ROM has a lower .....

✅Data in ROM can only be READ it cannot be modified or erased

✅The data stared in ROM is used to bootstrap the computer 

✅If the CPU needs to access the data  on ROM ,first the data  must be transforred to RAM and then the CPU  will be able to access the data.

✅Data present in ROM is not valatile it is permanent .Data  will  remain unchanged  even when there is a discruption in the power supples.

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