Through {TAIL ~ attributes} or flags associated with the instruction representations, an IOM additionally tracks {HEAD ~ instruction dependencies}, and is instrumental in exception handling 
Through { TAIL ~ attributes } or flags associated with the instruction representations , an IOM additionally tracks { HEAD ~ instruction dependencies } , and is instrumental in exception handling
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH