Distinguisk b/w primary and secondary memory
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1. Primary / Main memory:
Primary memory is the computer memory that is directly accessible by CPU. It is comprised of DRAM and provides the actual working space to the processor. It holds the data and instructions that the processor is currently working on.
2. Secondary Memory / Mass Storage:
The contents of the secondary memory first get transferred to the primary memory and then are accessed by the processor, this is because the processor does not directly interact with the secondary memory.
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secondary memory has more storage portable example SD card DVD hard disk
primary memory is internal storage of an computer aur mobile
it as limitations like a storage of phone is 20 2GB RAM and 300gb ROM this is called primary device
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