<s>
A	O
terminal	B-Device
access	I-Device
controller	I-Device
(	O
TAC	O
)	O
is	O
a	O
host	O
computer	O
that	O
accepts	O
terminal	B-General_Concept
connections	O
,	O
usually	O
from	O
dial-up	O
lines	O
,	O
and	O
that	O
allows	O
the	O
user	O
to	O
invoke	O
Internet	O
remote	O
log-on	O
procedures	O
,	O
such	O
as	O
Telnet	B-Protocol
.	O
</s>
