December 2011
Beginner
256 pages
7h 10m
English
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CHAPTER 5Necessary Accessories
When my childhood home first had telephone service, we would pick up a receiver handset and an operator 3 miles away would see an indicator light up on a matrix of jacks at a switchboard. The human operator, Gladys, would plug her headset into the jack below our light and say, “Number please?” We’d give Gladys the number (or even the person’s name), and she would plug in our line into the jack associated with the number we needed, while applying the ring voltage to the appropriate line pair.
If the recipient of your call was home and answered the phone, you would be “connected” for the duration of the call. In those days, it was difficult to not get caught calling the corner grocery store to ask whether they had ...
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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.