Computer science

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Across
  1. 1. The global network that connects millions of computers.
  2. 3. The number system that uses only 0s and 1s.
  3. 4. A set of instructions that repeats until a condition is met.
  4. 5. A named space in memory that stores a value which can change.
  5. 7. A computer that accesses resources from a server.
  6. 9. A group of computers connected to share resources.
  7. 12. Finding and fixing errors in a program.
  8. 14. The smallest unit of a digital image.
  9. 15. The smallest unit of data in computing, either a 0 or a 1.
  10. 17. Releasing the mouse button to place an item somewhere on the screen.
  11. 19. A program used to view web pages.
  12. 20. An organized collection of data, often stored electronically.
  13. 22. A diagram that shows the steps in a process.
  14. 24. A sequence of characters, like text.
  15. 26. A set of step-by-step instructions to solve a problem.
  16. 27. Temporary memory that stores data while the computer is on.
  17. 29. The “brain” of the computer that processes instructions.
  18. 30. Programs and applications that run on a computer.
  19. 32. The rules for how code must be written.
  20. 34. A security system that controls incoming and outgoing network traffic.
  21. 35. A data type with only two possible values: true or false.
Down
  1. 2. Scrambling data to keep it safe from unauthorized access.
  2. 6. A program that translates code into a language the computer understands.
  3. 7. Storing and accessing data and programs over the internet instead of your computer’s hard drive.
  4. 8. A device connected to a computer, like a mouse or printer.
  5. 10. A reusable block of code that performs a specific task.
  6. 11. Data or signals sent into a computer system.
  7. 13. A computer that provides resources or services to other computers.
  8. 15. A group of 8 bits.
  9. 16. The physical parts of a computer you can touch.
  10. 18. The result produced by a computer after processing.
  11. 21. Moving an item on the screen by holding down the mouse button.
  12. 23. Malicious software that can harm your computer.
  13. 25. Memory that stores data permanently, even when the power is off.
  14. 28. A collection of items stored at neighboring memory locations.
  15. 31. A copy of data kept in case the original is lost
  16. 32. Software used for organizing data in rows and columns.
  17. 33. Repeating a process or set of instructions.