<s>
Responsiveness	B-Application
as	O
a	O
concept	O
of	O
computer	B-General_Concept
science	I-General_Concept
refers	O
to	O
the	O
specific	O
ability	O
of	O
a	O
system	O
or	O
functional	O
unit	O
to	O
complete	O
assigned	O
tasks	O
within	O
a	O
given	O
time	O
.	O
</s>
<s>
For	O
example	O
,	O
it	O
would	O
refer	O
to	O
the	O
ability	O
of	O
an	O
artificial	B-Application
intelligence	I-Application
system	O
to	O
understand	O
and	O
carry	O
out	O
its	O
tasks	O
in	O
a	O
timely	O
fashion	O
.	O
</s>
<s>
In	O
the	O
Reactive	O
principle	O
,	O
Responsiveness	B-Application
is	O
one	O
of	O
the	O
fundamental	O
criteria	O
along	O
with	O
resilience	B-General_Concept
,	O
elasticity	B-General_Concept
and	O
message	O
driven	O
.	O
</s>
<s>
It	O
is	O
one	O
of	O
the	O
criteria	O
under	O
the	O
principle	O
of	O
robustness	B-Application
(	O
from	O
a	O
v	O
principle	O
)	O
.	O
</s>
<s>
Software	O
which	O
lacks	O
a	O
decent	O
process	O
management	O
can	O
have	O
poor	O
responsiveness	B-Application
even	O
on	O
a	O
fast	O
machine	O
.	O
</s>
<s>
Responsiveness	B-Application
is	O
therefore	O
considered	O
an	O
essential	O
usability	B-General_Concept
issue	O
for	O
human-computer-interaction	O
(	O
HCI	O
)	O
.	O
</s>
<s>
The	O
rationale	O
behind	O
the	O
responsiveness	B-Application
principle	O
is	O
that	O
the	O
system	O
should	O
deliver	O
results	O
of	O
an	O
operation	O
to	O
users	O
in	O
a	O
timely	O
and	O
organized	O
manner	O
.	O
</s>
<s>
Although	O
numerous	O
other	O
options	O
may	O
exist	O
,	O
the	O
most	O
frequently	O
used	O
and	O
recommended	O
answers	O
to	O
responsiveness	B-Application
issues	O
are	O
:	O
</s>
