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Workshop/5 min exploration

Inside a laptop: paths, power, and heat

How do computation, stored data, power, and heat connect inside a laptop?

A laptop combines processing, memory, storage, power delivery, and cooling in a small enclosure. Pick an illustrated workload to emphasize a path, then trace a component. The line colors distinguish data, electrical power, and heat movement; they are not measurements.

Interactive model

Explore the model and follow its moving parts.

Read the full explanation ↓
Select a part. Change a control. Follow the motion.

Data moves between storage, memory, and processing; electrical power supplies subsystems; cooling carries heat away from warm parts. Their exact routes and loads depend on the laptop and software.

What does the red path in this lesson establish?

Follow the explanation

Back to the model ↑

How the parts work together

  1. Follow a file into working memory

    Choose “Read a web page” and trace Storage. The blue route first shows persistent data arriving in memory, where the processor can work with it. This is a simplified story, not every transfer a browser performs.

  2. Change the illustrated workload

    Choose “Play a video.” The highlighted blue route now emphasizes memory, processing, and display output. Different applications use different hardware and software paths; the picture is not a decoder diagram.

  3. Separate power from heat

    Choose “Compile a project” and raise Illustrated heat load. Orange power routes and red heat routes become stronger. The slider changes a visual teaching cue only, not a wattage, battery life, or measured component temperature.

The main parts

Processor
The processor executes program instructions. This schematic combines several possible processing functions into one block and does not identify a particular CPU or GPU design.
Memory
Working memory holds data and instructions that software is actively using. The blue line shows a conceptual data connection, not a bus width, speed, or memory hierarchy.
Storage
Persistent storage keeps files when power is off. In this model it supplies a file to working memory; real systems use controllers, caches, operating-system scheduling, and many other transfers.
Battery and power delivery
The battery supplies stored electrical energy through power-management circuitry. The orange path is a simplified power distribution route, not a voltage, current, charging, or runtime calculation.
Heat spreader and fan
A heat spreader and fan route heat from warm components toward an exhaust. The red path indicates a direction in the schematic only; it does not compute temperature, airflow, fan speed, or thermal throttling.
Display
The display presents an output. Its connection is shown as a conceptual data path, without modeling pixels, refresh rate, brightness, or display power.

One discovery leads to another.

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