Data bus

The data  bus is the  group of 8 bit   used  to carry data. There  line are  bidirectional data can flow  in both  directions i e form  microprocessor to  peripherals and peripherals to microprocessor.  These data line are identified by D7 -D0 since  the size  of data bus  is of  8 bit  the 8085 microprocessor  is called  8 bit  microprocessor.

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