home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Loadstar 235
/
235.d81
/
h4
< prev
next >
Wrap
Text File
|
2022-08-26
|
3KB
|
171 lines
u<t0>
Also at the show, Apple Computer
introduced the Apple II -- featuring a
6502 CPU, 4 KB RAM, 16 KB ROM,
keyboard, 8-slot motherboard, game
paddles, graphics/text color display,
and built-in BASIC, for $1300 --
making it the first personal computer
with color graphics.
<l1apple2.shp>
<c16>
Press Key
<w>
<c10>
<c21>
<c3f>
<c40>
<c50>
<c70>
<t0>
<d1>
<t1>
The Apple II <Press Key>
<w>
<c20>
<c3c>
<c41>
<c51>
<c71>
<t0>
In August, 1977, Radio Shack (a
division of Tandy Corp.) announced the
third 8-bit wonder: the TRS-80
microcomputer, with a Z80 CPU, 4 KB
RAM, 4 KB ROM, keyboard, black-and-
white video, and tape cassette --
selling for as low as $300. The $600
model included 16 KB RAM and
Microsoft's 16 KB ROM BASIC 2.0 (Radio
Shack called it Level II.).
<l1trs80.shp>
<c16>
Press Key
<w>
<c10>
<c21>
<c3f>
<c40>
<c50>
<c70>
<t0>
<d1>
<t1>
The TRS-80 <Press Key>
<w>
<c20>
<c3c>
<c41>
<c51>
<c71>
<t0>
Intel introduced the 4.77 MHz 8086
microprocessor in June of 1978. It had
16-bit registers, a 16-bit data bus
(accessing 1 MB of memory), ran at 4
Mhz, and was priced at $360. Later
versions had 8 Mhz and 10 Mhz
processing clocks.
Atari announced the Atari 400 and
800 personal computers in December,
both featuring the 6502 processor.
<l1atari400800.shp>
<c16>
Press Key
<w>
<c10>
<c21>
<c3f>
<c4c>
<c5c>
<c7c>
<t0>
<d1>
<t1>
The Atari 400 & 800 <Press Key>
<w>
<c20>
<c3c>
<c41>
<c51>
<c71>
<t0>
Software Arts demonstrated
VisiCalc at the Fourth West Coast
Computer Faire in May, 1979. Written
by Dan Bricklin and Bob Frankston
during 1978-79, this is the piece of
software that put the Apple II in
particular and microcomputers in
general on the map by accomplishing
fast bookkeeping calculations. The
program was released on October 17 for
the Apple II, and sold for $99.
Texas Instruments entered the home
computer market, introducing the
TI-99/4, for an initial price of
$1500. It used the TI 9940 16-bit
microprocessor.
<l1ti99.shp>
<c16>
Press Key
<w>
<c10>
<d1>
<t1>
The TI 99/4a <Press Key>
<w>
<t0>
MicroPro International released
the WordStar word processor, written
by Rob Barnaby, for Intel 8080A /
Zilog Z-80 based CP/M-80 systems.
The demand for home/personal
computers far outstripped production.
Waiting periods of four weeks were
common and expected.
<c10>
<l0h5>
<c16>
Press Key
<w>
<c10>
<s0>