Geografiya

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Across
  1. 4. software that detects and removes viruses from a computer
  2. 7. step-by-step instructions to solve a particular problem
  3. 8. a type of network that communicates over a small geographical area, such as a single building
  4. 10. a wireless technology that allows data transmission using radio waves
  5. 11. software that detects and removes spyware from a computer
  6. 12. a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
  7. 13. carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
  8. 15. the programs or set of instructions that tell a computer what to do to complete a task; aspects of a device you cannot touch
  9. 16. a network device that forwards data from one device to another
  10. 20. a collection of computing devices connected to each other, either wired or wirelessly
  11. 21. connected to the internet
  12. 22. the software that users access to carry out tasks
  13. 23. what happens when something interrupts the transmission of a signal; this could be a physical obstruction such as a wall, or other radio waves
Down
  1. 1. raw facts and figures
  2. 2. enables devices to connect to a network using Wi-Fi
  3. 3. a simulation that superimposes digital images on the user's real- world environment and allows the user to interact with those images
  4. 5. not allowed
  5. 6. software or hardware that prevents unauthorised access to a network
  6. 9. the instructions that tell a computer system how to complete a task
  7. 10. a measure of the maximum number of bits that can be transmitted over a network or cable in a specified amount of time
  8. 12. an application that uses rows and columns to organise data and carry out calculations using that data
  9. 14. a popular type of copper cable used to transmit data between devices
  10. 17. a type of network that communicates over a large geographical area, such as across a city or country.
  11. 18. the collective name for all types of attacks on a computer or computer network
  12. 19. the physical parts of a computer that you can touch and see, e.g. the processor, storage devices, input devices, output devices