Hardware Interrupt: As name suggest it is interrupt which can get the interrupt request in hardware pin of microprocessor 8085. There is mainly six pin is available for dedicatedlly
for interrupt purpose. Those are
TRAP
RST 5.5
RST 6.5
RST 7.5
INTR
INTA (It is not an Interrupt pin but it is used to send acknowledgement of the Interrupt request getting from other interrupt pin.)
5 is the ans