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In linguistics, code-switching occurs when a speaker alternates between two or more languages, or language varieties, in the context of a single conversation.peakers form and establish a pidgin language when two or more speakers who do not speak a common language form an intermediate, third language. On the other hand, speakers practice code-switching when they are each fluent in both languages.
A switch provides higher total throughput than a hub because it can support multiple simultaneous conversations. For example, when a 100Mbit/sec hub has five workstations, each receives only 20Mbit/sec of the available bandwidth. When a 10-100Mbit/sec switch is used every port on the switch represents a dedicated 100Mbit/sec path, so each workstation receives 100Mbit/sec of bandwidth.