| The
A-7 Project |
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| • | In
the late 1970’s, Parnas led a project to redesign |
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| the
software for the A-7 flight program |
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| – | One
key aspect was the use of information hiding |
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| • | The
project had successes, including a much |
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| improved
specification of the system and the |
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| definition
of the SCR requirements language |
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| • | But
little data about actual changes was gathered |
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