<s>
MACD	B-General_Concept
operations	I-General_Concept
are	O
basic	O
actions	O
(	O
Move	O
,	O
Add	O
,	O
Change	O
,	O
Delete	O
)	O
taken	O
by	O
computer	B-Architecture
network	I-Architecture
or	O
telecom	O
service	O
agents	O
in	O
the	O
support	O
of	O
hardware	B-Architecture
and	O
services	O
.	O
</s>
