June 2014
Beginner to intermediate
208 pages
7h 14m
English
Content preview from Computer Interfacing
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Computer interfacing
print a short section of text in double-strike mode, we
send the following code sequence to the printer:
27 71 section of text to be printed 27 72
The code 27 is ASCII for ESC; 71 and 72 are the ASCII
codes for
G
and H, respectively. Seen in this light, printer
control codes have no real mysteries after all! All that is
necessary to do, is to insert the required printer control
codes,
at those points in the supply of data to the printer
where certain actions are to be taken. Using a word proc-
essor makes this easy; as all such codes are already built
in, it is only necessary to make the appropriate key-
strokes. For example ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.