[nfbcs] K-Maps

[Doug Lee]

I did this long ago (like 1989 or so) and just made Braille tables for them. Nowadays you could also use
something like Excel I'm sure. You have the correct idea: They are matrices of values - as I recall, 0's, 1's,
and deltas for "don't care." In Braille I just used 0, 1, and d, respectively; the same would work for you in
Excel though I'm sure you could use an actual Delta if communicating with sighted teachers or students.

On Thu, Sep 29, 2016 at 10:32:22AM -0500, NFBCS mailing list wrote:
Hello Everyone,

This is my first time posting to this list. I'm a totally blind
student enrolled in a computer science university course essentially
titled Digital Logic. Much of we are covering is related to circuits
and electronic components. I understand everything. However, my
instructor is informing me that we'll need to make extensive use of
K-maps, a visual technique designed to aid in the simplifying of
Boolean algebra equations. Has anybody on this list taken a course
like this? I must admit, this is the first time in my university years
that I have a feeling that this will slow me down. I'm thinking about
purchasing a Draftsman board from APH. Maybe this will assist me in
getting the big picture of how a k-map is laid out. I know these
drawings are essentially matrices with bits arranged in column-row
fashion in boxes. Anyway, if someone has gone through a similar course
like this, I would appreciate any tips you have to facilitate the
understanding of k-maps and how I may be able to produce them.

Thank you.

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-- 
Doug Lee                 dgl at dlee.org                http://www.dlee.org
SSB BART Group           doug.lee at ssbbartgroup.com   http://www.ssbbartgroup.com
"Maturity is knowing that the world owes you nothing. Freedom is knowing you owe it the same. Character is how
you respond to the knowing." --Jack Kincaid