Permanent Internal Memory
1: Low Cost
2: Data Travel Speed slow
3: Data Storage Capacity is very High Like Gaga Bytes, Tera Bytes
4: Examples Magnetic Disk, Hard Disk
5: if Data Loss Then we recover it Easily.
6: If Computer off Suddenly then no loss of Data.
Volatile Memory
1: High Price as Compared to Internal Storage
2: High in Speed
3: If Computer Shut down then data will be loss.
4: Examples, RAM (Randaom Access Memory) etc
5: its is also called Main Memory.
6: No Process run without RAM.
