![Gmc-4n](https://upload.wikimedia.org/wikipedia/commons/1/1d/Gmc-4n.jpg)
The GMC-4 is the only
4-bit
In computer architecture, 4-bit integers, or other data units are those that are 4 bits wide. Also, 4-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers, or data buses of that si ...
microcomputer
A microcomputer is a small, relatively inexpensive computer having a central processing unit (CPU) made out of a microprocessor. The computer also includes memory and input/output (I/O) circuitry together mounted on a printed circuit board (PC ...
to be mass-produced in the last 30 years (as of 2009).
It was produced by
Gakken
is a Japanese publishing company founded in 1947 by Hideto Furuoka, which also produces educational toys. Their annual sales is reported at ¥ 90 billion ($789 million US).
Gakken publishes educational books and magazines and produces other ...
, a Japanese publisher who distributed it with a magazine attached to a box containing the components required to assemble the computer.
The purpose of the GMC-4 is education. It provides an accessible way to learn about
assembly language
In computer programming, assembly language (or assembler language, or symbolic machine code), often referred to simply as Assembly and commonly abbreviated as ASM or asm, is any low-level programming language with a very strong correspondence be ...
and the principles of computing.
References
External links
Description of the kit, assembly language and example programs*{{Citation
, last =
, first =
, year =
, title = Programming the Gakken GMC-4 Microcomputer
, publisher =
, publication-place =
, page =
, url = http://knol.google.com/k/programming-the-gakken-gmc-4-microcomputer#
, accessdate =
, archiveurl = https://web.archive.org/web/20111120053535/http://knol.google.com/k/programming-the-gakken-gmc-4-microcomputer
, archivedate = 2011-11-20
gmc4cc (C Compiler for GMC-4)
Microcomputers
Single-board computers