If you use a computer, you use an operating system and several kinds of software (e.g., anti-virus programs and Microsoft Office components) and web plug-ins (e.g., Flash and Java). And if you use a smartphone and/or tablet, each of those uses an operating system and several (or many) software applications. Furthermore, if you use internet-connected devices and systems — like fitness trackers, security monitors, thermostats, and even some cars — each of those has its own special software.
Operating systems and software are the brains of the devices we use — and, like real brains, there’s always more to learn. Developers and manufacturers are constantly making improvements and getting feedback, which means they regularly push out updated versions of software and mobile applications. These updates often deliver expanded functionality, but they just as often fix bugs and correct security flaws that were found in prior versions.
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