The Computing Dysplasia Syndrome     

Throughout the history of computing many decisions started fundamentally wrong developments finally causing

a damage of thousands of billions of Dollars.For details see and

1) Computers with von Neumann machine paradigm replace the massively more efficient data stream machines.
around 1945. Now we are moving
back to efficiency and low power by the anti-machine and reconfigurable computing.

2) Processors with complex x86 instruction set replace compiler-friendly stack computers.

leading to unnecessary complexity, also by having been mapped onto poor and inappropriate platforms.

3) The verbose low level language C and its dialects replace programming languages Pascal and PL-I (Fig. 1).

4) The UNIX operating systems with massive complexity problems replaces MULTICS (not commented here).

5) Problematic Biploar transistors (invented 1948) replace MOS transistors invented more than a decade earlier
This decision was corrected 1980 by
the Mead-&-Conway revolution, moving back to MOS dominance.

6) The hardware description language VHDL replaces KARL used world-wide. The commission of the EU

stopped funding ( see   and ), because in 1987, a request from the

U.S. Department of Defense (DoD) led to the development of VHDL (VHSIC Hardware Description Language,

where VHSIC is Very High Speed Integrated Circuit),  based on the Ada programming language.  For details on

VHDL Disadvantages are (also see fig. 2):

7) The never-ending software crisis: complex and difficult to analyze (not commented here).


Figure 1; courtesy of Harold "Bud" Lawson

Figure 2; courtesy of Richard Newton



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