A single crossbar switch has 20 inputs and 20 outputs. How many crosspoints does it have? what is the possible number of simultaneous connections for this switch?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
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A single crossbar switch has 20 inputs and 20 outputs. How many crosspoints does it have? what is the possible number of simultaneous connections for this switch?

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