{HEAD ~ The apparatus} may include a single processor configured to execute multiple processes concurrently, or {TAIL ~ multiple processing units}, each configured to execute one or more processes 
{ HEAD ~ The apparatus } may include a single processor configured to execute multiple processes concurrently , or { TAIL ~ multiple processing units } , each configured to execute one or more processes
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH