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Turn computer course notes into an editable mind map

Upload a PDF, DOCX, PPTX, or photos of your pages and get a mind map you can edit, expand, and explore branch by branch.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates mind maps in seconds

Why a mind map app helps with computer science

Computer topics branch quickly: a network protocol splits into layers, and a data structure splits into operations and edge cases. A mind map computer app lets you see those branches at once instead of scrolling through a 40-slide deck.

Spot how algorithms, data structures, and systems topics connect before an exam.
Break a long chapter on operating systems or networking into labeled branches.
Edit the draft so it reflects your course's terminology and priorities.
Explore one branch at a time instead of rereading the whole document.

Example computer science mind map branches

Layers of the OSI modelPhysical and data link · Network routing · Transport (TCP and UDP) · Application protocols

Big-O notationMeasures growth rate, not exact time · Common classes: O(1), O(log n), O(n²) · Ignores constant factors

Process statesReady, running, and waiting · Context switch moves the CPU between processes · Scheduler picks the next ready process

Normalization in databases1NF removes repeating groups · 2NF removes partial dependencies · 3NF removes transitive dependencies

Virtual memoryPages mapped to frames · Page faults load missing pages from disk · Replacement policies such as LRU

Generate the full set

Upload what you already have

Send PDFs, DOCX or PPTX files, plain text notes, or photos of pages. Text recognition reads the images.

Edit the map

Rename branches, move topics, and reshape the structure so the map matches how your course organizes the material.

Explore it your way

Expand and collapse branches to focus on one topic at a time, whether that is protocols, algorithms, or memory management.

How it works

Add your material

Upload a lecture PDF, slide deck, or typed notes from your computer science class.

Review the draft map

DeckOwl builds a first-pass mind map with main topics as branches and supporting ideas beneath them.

Refine and study

Edit the branches you want, then explore the map in the browser to review each topic.

DeckOwl reads your lecture PDF, slides, or notes and drafts the first version of the map. You then rename, move, and collapse branches until the structure matches what your instructor emphasized.

Explore related topics

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AI Visual Mind Map App

Upload notes or PDFs and get an editable visual mind map you can explore with AI.

Free mind map app for notes and PDFs

Turn PDFs and notes into an editable mind map. Start free, 3 generations a month.

Free mind mapping app for students

Turn lecture notes and PDFs into an editable mind map, free to start, with no credit card needed.

Best Mind Map App for Apple Users

Turn your PDFs and notes into an editable, explorable mind map with AI.

Best Mind Map App for Apple Pencil

Build an editable mind map from your PDFs and notes to review on iPad.

Mind Map App for Students

Turn lecture notes and PDFs into an editable, explorable mind map for class.

Frequently asked questions

How do I draw a mind map for a computer networking chapter?

Start with the main layers or concepts as first-level branches, such as the OSI model or the TCP/IP stack. Then add protocols, functions, and examples as sub-branches under each one.

How many branches should a computer science mind map have?

Aim for roughly five to seven main branches, one per major topic, with three to five sub-points each. That keeps the map readable on one screen.

Is the mind map app free to use?

The free plan includes 3 generations per month and studying in the browser. Exports are included in paid plans, which start at $7.99 per month or $39 per year.

Do I need a credit card to start?

No. You can start on the free plan without a credit card, and students get 40% off with a school email address.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.