<s>
Nanocomputer	B-Algorithm
refers	O
to	O
a	O
computer	O
smaller	O
than	O
the	O
microcomputer	B-Architecture
,	O
which	O
is	O
smaller	O
than	O
the	O
minicomputer	B-Architecture
.	O
</s>
<s>
Microelectronic	O
components	O
that	O
are	O
at	O
the	O
core	O
of	O
all	O
modern	O
electronic	O
devices	O
employ	O
semiconductor	O
transistors	B-Application
.	O
</s>
<s>
The	O
term	O
nanocomputer	B-Algorithm
is	O
increasingly	O
used	O
to	O
refer	O
to	O
general	O
computing	O
devices	O
of	O
size	O
comparable	O
to	O
a	O
credit	O
card	O
.	O
</s>
<s>
Modern	O
single-board	B-Device
computer	I-Device
such	O
as	O
the	O
Raspberry	B-Operating_System
Pi	I-Operating_System
and	O
Gumstix	B-Application
would	O
fall	O
under	O
this	O
classification	O
.	O
</s>
<s>
Arguably	O
,	O
smartphones	B-Application
and	O
tablets	B-Device
would	O
also	O
be	O
classified	O
as	O
nanocomputers	B-Algorithm
.	O
</s>
<s>
A	O
few	O
years	O
later	O
,	O
the	O
6	O
μm	O
process	O
allowed	O
the	O
making	O
of	O
desktop	B-Device
computers	I-Device
,	O
known	O
as	O
microcomputers	B-Architecture
.	O
</s>
<s>
Moore	O
's	O
Law	O
in	O
the	O
next	O
40	O
years	O
brought	O
features	O
1/100th	O
the	O
size	O
,	O
or	O
ten	O
thousand	O
times	O
as	O
many	O
transistors	B-Application
per	O
square	O
millimeter	O
,	O
putting	O
smartphones	B-Application
in	O
every	O
pocket	O
.	O
</s>
<s>
Nanocomputers	B-Algorithm
might	O
be	O
built	O
in	O
several	O
ways	O
,	O
using	O
mechanical	O
,	O
electronic	O
,	O
biochemical	O
,	O
or	O
quantum	O
nanotechnology	O
.	O
</s>
<s>
There	O
used	O
to	O
be	O
consensus	O
among	O
hardware	O
developers	O
that	O
it	O
is	O
unlikely	O
that	O
nanocomputers	B-Algorithm
will	O
be	O
made	O
of	O
semiconductor	O
transistors	B-Application
,	O
as	O
they	O
seem	O
to	O
perform	O
significantly	O
less	O
well	O
when	O
shrunk	O
to	O
sizes	O
under	O
100	O
nanometers	O
.	O
</s>
<s>
Neverthelesss	O
developers	O
reduced	O
microprocessor	B-Architecture
features	O
to	O
22nm	O
in	O
April	O
2012	O
.	O
</s>
<s>
Moreover	O
,	O
Intel	O
's	O
5	B-Algorithm
nanometer	I-Algorithm
technology	O
outlook	O
predicts	O
5nm	B-Algorithm
feature	O
size	O
by	O
2022	O
.	O
</s>
<s>
A	O
silicon-silicon	O
bond	O
length	O
is	O
235.2pm	O
,	O
which	O
means	O
that	O
a	O
5nm-width	O
transistor	B-Application
would	O
be	O
21	O
silicon	O
atoms	O
wide	O
.	O
</s>
