掌上电脑发展编年史(英文版)
日期:2008年5月11日 作者:清风网络学院 查看:[大字体 中字体 小字体]- At the Japan Microcomputer Show, National shows the National JR-800, featuring 63A01V processor (compatible with Motorola 6801), 8-line by 32-character LCD, 16 KB RAM, 20 KB ROM with BASIC, 1551 bytes of video RAM, five-octave music, 1 5/8 pounds weight, 10 1/4 x 5 5/8 x 1 3/8 inches, and runs for 25 hours on batteries. [45.252]
- Texas Instruments introduces the Compact Computer 40 (CC-40). It uses the 8-bit TMS 70C20 processor, 6 KB RAM, 34 KB ROM with BASIC, and 31x1 LCD display. It runs on four AA batteries, lasting up to 200 hours. [21.37]
- Radio Shack introduces the PC-3 pocket computer. It features 24-character LCD, 1.4 KB RAM, 4 ounce weight, for US$99.95. [45.7]
- Sharp introduces the PC-1250 pocket computer, for US$110. It measures 5 5/16 x 2 1/2 x 3/8 inches. [45.7]
1984
- January
- Seiko Instruments U.S.A. Inc. displays the first wristwatch computer, with a 10-character, 4-line LCD. [1]
- (month unknown)
- Casio unveils the PB-700 handheld computer. It features 4 KB RAM (expandable to 16 KB), 20x4 character display, 58 key keyboard, BASIC. Weight is 4.5 pounds; price is about US$200. Optional add-on FA-10 color printer/plotter costs about US$250. Optional add-on CM-1 microcassette module costs about US$90. [71.15]
1989
- (month unknown)
- Atari Computer introduces the Portfolio, a 1-pound DOS-based PC. It uses a 4.92 MHz 80C88 processor, 240x64 resolution screen, and runs on three AA batteries. Price: US$400. [12.57]
- September
- Poqet Computer ships the Poqet PC computer, featuring 512 KB RAM, 6.8 x 2.7 inch monochrome LCD screen, 80x25 text, 640x200 pixels, 77 keys, 7 MHz Intel 80C88 processor, 640 KB ROM, MS DOS 3.3 and GW BASIC in ROM, card slots for ROM or RAM. The system runs for about 100 hours on AA batteries. Weight is 1 pound; price is about US$2000. [75.115]
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