Computer Networks

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Across
  1. 1. A cable consisting of one or more thin flexible glass fibres
  2. 5. A unique string of characters that identifies a computer on the internet
  3. 8. The massive global network of computers.
  4. 11. A physical cable that transmits data more reliably than WiFi
  5. 14. Software designed to detect and destroy computer viruses
  6. 16. A software application used to access and view websites
  7. 18. A hardware device that connects multiple networks together.
  8. 19. The standard language for creating webpages
Down
  1. 2. Data that has been processed or organised
  2. 3. A program that searches for items in a database corresponding to keywords
  3. 4. A large group of computer servers used for storage or data processing
  4. 6. The name given to a small chunks of data sent over a network
  5. 7. A wireless network technology that uses radio waves
  6. 9. Software technology that generates a secure, encrypted connection over a public network
  7. 10. Malicious software designed to harm a computer
  8. 12. A security system that acts as a barrier to control and filter traffic entering a network
  9. 13. A base two number system that uses only two digits 1 and 0
  10. 15. A hardware device that connects multiple devices within a LAN
  11. 17. The unique web address for a specific resource on the internet
  12. 20. A computer network spread over a small geographical area