Miniature computer with separate hand-held controller

A miniature computer comprising

• a main section including a central processor, a read only memory for storing a program to control said central processor, and a random access memory connected to said central processor for reading out and writing in data under control of said central processor, said central processor, said read only memory and said random access memory being interconnected by a common bus and being mounted together in a compact housing;
• and
• a hand-held control device mechanically separated from and electrically connected by cable means to said main section, said control device including a controlling keyboard for providing manual input command signals to said main section and display means for displaying said manual input command signals, said controlling keybord having keys corresponding to the numerals of 0 to 9 and the alpha characters of A to Z for inputting data in the form of symbolic language command signals according to an assembler program;
• wherein said read only memory stores an assembler program for converting said symbolic language command signals to corresponding machine language control signals;
• and wherein said display means includes a segment driver circuit for displaying said symbolic language data inputted via said keys.