<span>Hard disk drives
</span><span>RAM<span>Random access memory (RAM)
</span></span><span>External hard disks
<span>USB port
</span></span>CD and DVD drives
<span>Memory cards</span>
The United Nations currently recognizes 180 currencies that are used in 195 countries across the world the United States dollar is a popular currency and about 66 countries either peg their currency to the US dollar or use it as their currency
<span>network layer
hope it helped</span>
a hard copy stores data and information in the form of physical files it may be images text photographs and more a soft copy data and information in the form of virtual file saved on a computer or a drive you can preserve a hard copy for two long because its day subjected to wear and tear