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David Parnas

(1941) Computer Scientist

10 quotes in 86 categories

David Parnas is a computer scientist.

Quick Facts About David Parnas

Born: February 10, 1941
Profession: Computer Scientist

About David Parnas

[Wikidata] Canadian software engineer... | [Wikipedia] David Lorge Parnas is a Canadian early pioneer of software engineering, who developed the concept of information hiding in modular programming, which is an important element of object-oriented programming today. He is also noted for his advocacy of precise documentation.

Quotes by David Parnas

Requirements in mathematical language are no use unless they are easier to read than the code.

Code

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Complexity is not a goal. I don't want to be remembered as an engineer of complex systems.

Complex systems

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I have found that the reason a lot of people are interested in artificial intelligence is the same reason a lot of…

Artificial

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Artificial intelligence has the same relation to intelligence as artificial flowers have to flowers.

Artificial

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Copy and paste is a design error.

Copies

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One bad programmer can easily create two new jobs a year.

Jobs

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Many spend their time berating practitioners for not applying their method. We all need to disseminate our ideas, but most of our…

Berating

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With software products, it is usual to find that the software has major `bugs' and does not work reliably for some users...…

Bugs

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We must not forget that the wheel is reinvented so often because it is a very good idea; I've learned to worry…

Forget

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Find the simplest model that is not a lie is the key to better software design.

Design

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