Psion Series 3A

YEAR: 1993 Initial Price: $ 899¬†   The Psion 3a (1993) is part of a range of personal digital assistants made by PSION PLC. Manufacture of Psion 3a was discontinued in 1998 with the 3s version shortly after the launch of the Psion Series 5 (a Psion 4 does not exist, due to Psion’s concern…

Casio PB-300

Year: 1983 Initial Price: Unknown   CPU HD61913 CMOS VLSI SPEED 455 kHz, ceramic resonator used as system clock RAM 2 KB (1568 bytes for BASIC) ROM 12 KB SIZE / WEIGHT 173 (W) x 90 (D) x 20 (H) mm / 258 g (with batteries) I/O PORTS 12-pin expansion port for cassette interface POWER…

Sharp PC-1500 – Japanese version (1981)

YEAR: 1981 Initial Price: Unknown The Sharp PC-1500 was a pocket computer produced by Sharp during 1981-1985. A rebadged version was also sold as the TRS-80 Pocket Computer PC-2. The whole computer was designed around the LH5801, an 8-bit CPU similar to the Zilog Z80, but all laid-out in power-saving CMOS circuits. Equipped with 2KB…