Suppose we used an internet addressing protocol that used 4 bits to encode a single address. how many devices would be supported on the internet? how many unique addresses would there be?

Question: Suppose we used an internet addressing protocol that used 4 bits to encode a single address. how many devices would be supported on the internet? how many unique addresses would there be?

If we used an internet addressing protocol that used 4 bits to encode a single address, there would be 2^4 (16) possible combinations of 4-bit addresses. Out of these 16 addresses, one address is typically reserved for special purposes, leaving only 15 addresses available for use. Therefore, we could support up to 15 devices on the internet using this addressing protocol. Additionally, there would be a total of 16 unique addresses, including the reserved address, which would be available for use in this protocol. However, this number of addresses would be insufficient for the needs of even small networks, let alone the entire internet, so a larger address space is required for practical use.

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