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.

6 puzzles, click Print on any puzzle below

Create an easy, fun crossword for computer networking beginners. Use simple terms like LAN, DNS, DHCP, TCP, HTTP, URL, router, switch and packet.

Medium · 11×11 · 16 words
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Across

  1. 1. Standard protocol powering everyday unencrypted web page delivery
  2. 3. Automated server service granting dynamic IP addresses to newcomers
  3. 5. Encrypted tunnel allowing secure remote access over public connections
  4. 6. Reliable transport protocol that checks data delivery via handshakes
  5. 8. Any active connected device acting as a redistribution or endpoint point
  6. 11. Geometric arrangement and physical layout of nodes on a network
  7. 12. Virtual endpoint number routing specific application traffic on a host
  8. 13. Unique hardware address burned permanently into a network card
  9. 14. Web address typed directly into a browser navigation bar

Down

  1. 1. Network-attached computer offering services, programs, or data to clients
  2. 2. High-speed cabling medium carrying data as pulses of light
  3. 3. System converting human-readable site names into numerical IP addresses
  4. 4. Intermediary server processing web requests on behalf of other clients
  5. 7. Formal set of digital rules governing how devices exchange messages
  6. 9. Hardware directing data packets between different separate networks
  7. 10. Device translating analog ISP signals into digital household networking

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sistema operacional

Easy · 5×5 · 4 words
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Across

  1. 1. Files that record system events and errors
  2. 4. Small memory area for fast data access

Down

  1. 2. The interface used to access system services
  2. 3. A small graphic representing a program

computer

Easy · 5×5 · 4 words
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Across

  1. 1. The main circuit component that connects all parts
  2. 3. A handheld device used to control a pointer on a screen
  3. 4. A physical interface for connecting external devices

Down

  1. 2. To return a device to its original state

Computer Science

Hard · 15×15 · 20 words
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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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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
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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
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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.

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