Computer Science Crossword Puzzles: Free Printable and Online

Test your tech knowledge with our challenging Computer Science crossword puzzles, covering everything from programming languages to algorithm design.

Print any computer science crossword below, download it as a PDF, or play it online. Free, and no signup is needed to play.

3 puzzles, click Print on any puzzle below

Computer Science

Hard · 15×15 · 20 words
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Printing for a class?

Print 2 or 4 versions of this puzzle with different grid layouts, so desk neighbors cannot copy answers. Same words and clues, and each version has its own answer key. Class sets are a Plus feature in the Grid Genius app.

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Across

  1. 4. An architectural choice to keep the heat out
  2. 6. A tiny fragment of an argument
  3. 7. A single strand of a much larger execution
  4. 9. The central record of every digital habit
  5. 10. The last thing in is the first thing out
  6. 13. Where two worlds meet to exchange secrets
  7. 16. A cushion for data that arrives too fast
  8. 18. The clock that ticks only when the logic lives
  9. 19. What happens when the cup of memory is too full
  10. 20. A messy breakfast that helps find things quickly

Down

  1. 1. A small envelope traveling the superhighway
  2. 2. A value that means exactly what it says
  3. 3. Eight courses for a digital meal
  4. 5. Doing the same thing over and over, hoping for a result
  5. 8. Living life out of sync with the main flow
  6. 11. The seasonal movement of data to a new home
  7. 12. To understand this, one must first understand this
  8. 14. A sequence of characters tied together
  9. 15. The invisible weight of a long distance relationship
  10. 17. A symbolic gesture of permission

Computer Science

Medium · 11×11 · 13 words
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Printing for a class?

Print 2 or 4 versions of this puzzle with different grid layouts, so desk neighbors cannot copy answers. Same words and clues, and each version has its own answer key. Class sets are a Plus feature in the Grid Genius app.

Make a class set →
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Across

  1. 2. The smallest unit of digital existence
  2. 3. A background process that sounds slightly mythical
  3. 6. Data structure where the last in is the first out
  4. 8. Turning readable text into a secret scramble
  5. 11. The grammar of a programming language
  6. 12. The language of ones and zeros

Down

  1. 1. A small unit of data sent over a network
  2. 2. Either yes or no, logic-wise
  3. 4. The value of absolutely nothing
  4. 5. One single pass through a loop
  5. 7. A variable that knows where another lives
  6. 9. Analyzer of code structure and meaning
  7. 10. Sixteen-based counting system

Computer Science

Easy · 7×7 · 8 words
Play online →

Printing for a class?

Print 2 or 4 versions of this puzzle with different grid layouts, so desk neighbors cannot copy answers. Same words and clues, and each version has its own answer key. Class sets are a Plus feature in the Grid Genius app.

Make a class set →
1
2
3
4
5
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7

Across

  1. 1. A small piece of silicon used to make a processor
  2. 4. The place where a computer stores data for quick access
  3. 6. The command used to store current work to a disk
  4. 7. A collection of data stored under a specific name

Down

  1. 1. The set of instructions written by a programmer
  2. 2. A single button on a computer keyboard
  3. 3. The hand-held device used to move the cursor on a screen
  4. 5. The global system of interconnected internet pages

Make your own Computer Science crossword

Turn your own word list into a crossword with the free Grid Genius maker. Print it with an answer key or share a playable link with your class. No account needed.

Make your own Computer Science crossword

Related Printable Crossword Topics

Computer Science Crossword FAQ

Is this Computer Science crossword puzzle free?

Yes. Every Computer Science crossword on this page is free. You can print it, download it as a PDF, or play it online without paying anything or creating an account.

Can I print the Computer Science crossword?

Yes. Click Print on any puzzle for a print-ready page with the grid, the clues, and a name and date line, or use Download to save it as a PDF, PNG, or JPEG for photocopying. The PDF download includes a filled answer key on the last page for grading.

Can students play these crosswords online?

Yes. Every puzzle has a Play online link that opens in the browser on any device. No app install and no signup is needed to play, which makes it easy to share with a class.

Can I make my own Computer Science crossword?

Yes. The free Grid Genius crossword maker builds a puzzle from your own words and clues, with a printable grid and answer key. The Grid Genius app can also generate a complete crossword from any topic you type.