Casio PB-1000

Definition The Casio PB-1000 is a portable computer released by Casio in 1987. It was part of the handheld pocket computer series developed during the 1980s and early 1990s, aimed at engineers, students, and professionals requiring portable computational capability.

Overview The Casio PB-1000 was designed as a compact, battery-powered computer featuring a full QWERTY keyboard and support for programming. It provided users with the ability to run BASIC programs, manage small data sets, and interface with peripherals. This device belonged to a generation of hand-held computing devices that bridged the gap between programmable calculators and early laptops.

Etymology/Origin The name "PB-1000" follows Casio’s naming convention for its pocket computers, where "PB" likely stands for "Pocket Brain" or "Programmable Brain," a branding used by Casio for earlier models such as the PB-100 and PB-200. The number "1000" may denote its position as a newer or higher-end model in the series. The device was manufactured and released by Casio Computer Co., Ltd., a Japanese electronics company known for calculators, watches, and electronic instruments.

Characteristics

Display: Monochrome LCD with a resolution sufficient for displaying multiple lines of text and simple graphics.
Processor: Hitachi HD6301X microprocessor, operating at approximately 0.9 MHz.
Memory: 8 KB of RAM, expandable via external memory modules using memory card or expansion unit interfaces.
Programming: Built-in Casio BASIC interpreter, allowing users to write, run, and store programs.
Input: Full QWERTY keyboard with compact layout suitable for handheld use.
Power: Operated on four AAA batteries.
Connectivity: Supported serial communication for linking with other devices or computers, and possible expansion via add-on modules.

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