It featured a touchscreen display which consisted of 16 keys built into the screen, arranged in fixed positions on a four by four matrix.

The computer itself included 8Kb of RAM and it was possible to install a 32Kb memory expansion card.

The PB-1000C, one of the variants released only in Japan, has the CASL assembly language for the educational COMET simulator instead of the HD61700 assembly language.

The differences include the implementation of binary and octal calculation instructions in the BASIC language (&B,BIN$,&O,OCT$), the [TAB] key, and the line jumping in the screen editor.

This microcomputer- or microprocessor-related article is a stub.