December 2017
Beginner
412 pages
10h 8m
English
Content preview from Practical Programming, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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How Does a Computer Run a Python Program?
In order to understand what happens when you’re programming, it helps to have have a mental model of how a computer executes a program.
The computer is assembled from pieces of hardware, including a processor that can execute instructions and do arithmetic, a place to store data such as a hard drive, and various other pieces, such as a screen, a keyboard, an Ethernet controller for connecting to a network, and so on.
To deal with all these pieces, every computer runs some kind of operating system, such as Microsoft Windows, Linux, or macOS. An operating system, or OS, is a program; what makes it special is that it’s the only program on the computer that’s allowed direct access to the hardware. When ...
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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.
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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.