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Digital FoundationsLesson 03.1

Your Device & How It Runs

You can name the operating system on your device and say what it does.

Time
~15-20 min
Type
concept
Bloom
Understand → Apply
XP
100
Concept architecture for Your Device & How It Runs

Architecture diagram for Your Device & How It Runs. You can name the operating system on your device and say what it does.

Lesson 03.1 — concept architecture

You'll be able to

  • You can name the operating system on your device and say what it does.
  • You can open Settings and change a few basics, like brightness, sound, and screen lock.
  • You can check for updates and turn on automatic updates so they happen on their own.
  • You can find a file, move it to another folder, and rename it.
  • You can tell the difference between the operating system, an app, and a file.

Key concepts · tap to reveal

1/15·Idea·Beat 1 · Hook

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Idea

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The building manager

Think of your phone or computer like a building. The operating system, or OS for short, is the building manager. You never see the manager do most of the work, but nothing runs without them. The OS turns the screen on, listens for your taps and clicks, keeps your apps from crashing into each other, and remembers where your files live.

This lesson is the tour of that building: what the manager does, the difference between the building and the things inside it, and a few switches you can flip yourself.

Prompt Labruns here · claude

Your task  Write a prompt that asks Claude to recommend the right AI setup for a real task you're facing — then weigh its answer against this lesson, "Your Device & How It Runs."

a strong prompt:role · context · task · format · example

⌘↵ to run

Exercise · scenario

Open Settings on your device right now and do two things. First, set or confirm a screen lock (PIN, password, or fingerprint/face) and set auto-lock to two minutes or less. Second, search Settings for "update," check for updates, and turn on automatic updates. That is your front door locked and your locks set to re-key themselves.

Deliverable

Complete the hands-on task on your own device and note what you did, so the skill sticks.

Common misconceptions

  • “Putting off updates forever”

    "Remind me later" feels safe but leaves the security hole open. Turn on auto-update once and stop deciding each time.

  • “Confusing an app with a file”

    Deleting the photo viewer app does not delete your photos, and deleting a photo does not remove the app. They are separate things.

  • “Changing the file ending when renaming”

    Leave the part after the dot (`.pdf`, `.docx`, `.jpg`) alone. Change it and the OS may not know which app should open the file.

Quiz · adaptive · 5 items

Mastery check

Match each term to its definition. Pass at 80% to earn the lesson's XP and unlock the next.

Sources

  1. [1]CIS Control 7.3·CIS Control 7.3, Automated Operating System Patch Management (CP-256998) (n.d.) · Standards
  2. [2]CIS Control 7.4·CIS Control 7.4, Automated Application Patch Management (CP-256986) (n.d.) · Standards
  3. [3]CIS Control 4.10·CIS Control 4.10, Enforce Automatic Device Lockout on Portable End-User Devices (CP-257023) (n.d.) · Standards
  4. [4]Corpus·Software Update Practices on Smart Home IoT Devices (arXiv 2208.14367) (CP-249783) (n.d.) · Research
  5. [5]GCFGlobal·GCFGlobal, "Computer Basics: Getting to Know the OS" (n.d.) · Vendor
  6. [6]GCFGlobal·GCFGlobal, "Windows Basics" and "Computer Basics" tutorials (n.d.) · Vendor
  7. [7]CISA·CISA, Secure Our World, "Update Software" (n.d.) · Standards
Capstone artifact · auto-graded

Submit your work for review

Paste your capstone artifact below. You'll get back a 4-level rubric grade, per-criterion feedback, and three concrete edits to strengthen it.

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