<s>
The	O
Texas	B-Device
Instruments	I-Device
Professional	I-Device
Computer	I-Device
(	O
abbreviated	O
TIPC	O
or	O
TI	B-Device
PC	I-Device
)	O
and	O
the	O
Texas	B-Device
Instruments	I-Device
Professional	I-Device
Portable	I-Device
Computer	I-Device
(	O
TIPPC	O
)	O
are	O
personal	O
computers	O
produced	O
by	O
Texas	O
Instruments	O
that	O
were	O
both	O
released	O
on	O
January	O
31	O
,	O
1983	O
,	O
and	O
discontinued	O
around	O
1985	O
;	O
the	O
TIPC	O
is	O
a	O
desktop	O
PC	O
and	O
the	O
TIPPC	O
is	O
a	O
portable	O
version	O
that	O
is	O
fully	O
compatible	O
with	O
it	O
.	O
</s>
<s>
The	O
TIPC	O
is	O
very	O
similar	O
to	O
the	O
IBM	B-Device
PC	I-Device
both	O
architecturally	O
and	O
from	O
a	O
user-experience	O
perspective	O
,	O
with	O
some	O
technically	O
superior	O
aspects	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
the	O
Intel	B-Device
8088	I-Device
CPU	O
and	O
an	O
optional	O
Intel	B-Device
8087	I-Device
floating	O
point	O
coprocessor	O
.	O
</s>
<s>
It	O
supports	O
MS-DOS	B-Application
compatible	O
operating	O
systems	O
,	O
but	O
is	O
not	O
a	O
fully	O
IBM	B-Device
PC	I-Device
compatible	O
computer	O
.	O
</s>
<s>
Alternative	O
operating	O
systems	O
are	O
CP/M	B-Operating_System
-86	I-Operating_System
,	O
Concurrent	B-Operating_System
CP/M	I-Operating_System
-86	I-Operating_System
,	O
and	O
the	O
UCSD	B-Language
p-System	I-Language
.	O
</s>
<s>
The	O
CPU	O
clocked	O
at	O
5	O
MHz	O
(	O
a	O
bit	O
faster	O
than	O
the	O
4.77	O
MHz	O
of	O
the	O
IBM	B-Device
PC	I-Device
)	O
and	O
has	O
64	O
KB	O
of	O
RAM	O
pre-installed	O
.	O
</s>
<s>
The	O
computer	O
featured	O
5	O
expansion	O
slots	O
and	O
has	O
either	O
a	O
12-inch	O
green-phosphor	O
monochrome	O
(	O
CRT	B-Device
)	O
monitor	O
or	O
a	O
12-inch	O
color	O
monitor	O
with	O
a	O
color	O
graphics	O
resolution	O
of	O
720x300	O
pixels	O
.	O
</s>
<s>
The	O
device	O
has	O
a	O
5¼-inch	O
floppy	B-Device
disk	I-Device
drive	I-Device
and	O
can	O
support	O
a	O
second	O
floppy	B-Device
drive	I-Device
or	O
a	O
"	O
Winchester	O
"	O
hard	O
drive	O
without	O
requiring	O
the	O
use	O
of	O
an	O
expansion	O
slot	O
or	O
separate	O
chassis	O
,	O
and	O
typically	O
features	O
one	O
of	O
each	O
.	O
</s>
<s>
Byte	O
said	O
the	O
keyboard	O
,	O
which	O
has	O
a	O
different	O
layout	O
for	O
the	O
arrow	O
keys	O
and	O
is	O
quieter	O
than	O
the	O
IBM	B-Device
PC	I-Device
,	O
was	O
"	O
well	O
,	O
wonderful	O
"	O
.	O
</s>
<s>
Speech	B-Application
synthesis	I-Application
and	O
speech	B-Application
recognition	I-Application
were	O
added	O
after	O
the	O
initial	O
release	O
,	O
including	O
support	O
of	O
natural-language	O
queries	O
with	O
a	O
relational	B-Application
database	I-Application
.	O
</s>
