Answer :Yes the 8085 does support several externally initiated operations. The possible operations and the corresponding pins for them in the 8085 are as follows:
It supports resetting ( this is possible with the Reset Pin ).
Various interruptions ( these are possible through Trap, RST 7.5, 6.5, 5.5 and the interrupt pins. )
The 8085 also supports Readying with the help pf the Ready pin.
It also has a HOLD pin which can basically pause the operation till required/ as required.