<s>
The	O
IBM	B-Device
610	I-Device
Auto-Point	B-Device
Computer	I-Device
is	O
one	O
of	O
the	O
first	O
personal	B-Device
computers	I-Device
,	O
in	O
the	O
sense	O
of	O
a	O
computer	O
to	O
be	O
used	O
by	O
one	O
person	O
whose	O
previous	O
experience	O
with	O
computing	O
might	O
only	O
have	O
been	O
with	O
desk	O
calculators	O
.	O
</s>
<s>
It	O
was	O
controlled	O
interactively	O
by	O
a	O
keyboard	B-Device
.	O
</s>
<s>
The	O
IBM	B-Device
610	I-Device
was	O
introduced	O
in	O
1957	O
.	O
</s>
<s>
It	O
used	O
vacuum	O
tubes	O
,	O
a	O
magnetic	B-General_Concept
drum	I-General_Concept
,	O
and	O
punched	O
paper	O
tape	O
readers	O
and	O
punchers	O
.	O
</s>
<s>
The	O
input	O
was	O
from	O
a	O
keyboard	B-Device
and	O
output	O
was	O
to	O
an	O
IBM	O
electric	O
typewriter	O
,	O
at	O
eighteen	O
characters	O
per	O
second	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
first	O
(	O
if	O
not	O
the	O
first	O
)	O
computers	O
to	O
be	O
controlled	O
from	O
a	O
keyboard	B-Device
.	O
</s>
<s>
The	O
term	O
"	O
auto-point	O
"	O
referred	O
to	O
the	O
ability	O
to	O
automatically	O
adjust	O
the	O
decimal	O
point	O
in	O
floating-point	B-Algorithm
arithmetic	I-Algorithm
.	O
</s>
<s>
It	O
was	O
a	O
slow	O
and	O
limited	O
computer	O
,	O
and	O
was	O
generally	O
replaced	O
by	O
the	O
IBM	B-Device
1620	I-Device
.	O
</s>
