Final answer:
IP addresses are unique codes identifying devices on networks, crucial for efficient internet communication.
Explanation:
IP address is a unique code that identifies devices connected to a network, such as computers. It functions like a mailing address to ensure internet communications reach the intended device.
Each device's IP address helps route data packets between devices and networks, allowing for efficient communication over the internet.
IP addresses play a crucial role in packet-switching technology, ensuring secure and reliable data transmission across various global hosts.
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