Computer Basics: Understanding Operating Systems

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What is an operating system?

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An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It allows communication with the computer without knowing its language.

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What is the job of an operating system?

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The operating system manages all software and hardware on the computer, coordinating access to the CPU, memory, and storage for multiple programs running simultaneously.

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What are the three most common operating systems for personal computers?

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The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux.

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What is a graphical user interface (GUI)?

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A GUI is a graphical user interface that lets you use a mouse to click icons, buttons, and menus, displaying everything on the screen with graphics and text.

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What is unique about Linux compared to Windows?

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Linux is open-source, meaning it can be modified and distributed by anyone, unlike proprietary software like Windows, which can only be modified by the owning company.

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Why do most servers run Linux?

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Most servers run Linux because it is relatively easy to customize.

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What are examples of mobile operating systems?

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Examples of mobile operating systems include Apple iOS and Google Android.

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How do mobile operating systems differ from desktop operating systems?

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Mobile operating systems are designed specifically for mobile devices and generally aren't as fully featured as desktop operating systems, but they can still perform many functions like browsing the web and playing games.