Questions tagged [cdc]

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CDC 6600 system console

The CDC 6600 system console was a vector drawing system with a single font that also provided a way of drawing simple graphics (Wikipedia). In simple terms how does this vector drawing system work? ...
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Was this FORTRAN “extension” originated by IBM?

This question has been prompted by a recent question about the assigned GOTO operator. It appears that some early FORTRAN implementations supported a non-obvious construct: using an indexed variable ...
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Why did the CDC 6600 expand the word size to 60 bits?

According to http://www.quadibloc.com/comp/cp0201.htm The CDC 1604 used 48-bit floating point with 11 bits exponent and 36 bits mantissa. There was also a double precision format (which I believe was ...