The advantage of the strowger switch is that customers could switch lines easily and efficiently. However the early models were not scalable in terms of the number of customers it could support.
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Disadvantages are : 1.The crossbar switch is singled-layered switch. 2.At each point,there is a switch when closed,connects one of the inputs to one of the outputs.
We can use it as a rectifier and switch
it can be used to switch on/off any electrical appliances
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