Across
- 4. a wireless technology that allows data transmission using radio waves
- 6. software that detects and removes viruses from a computer
- 9. a measure of the maximum number of bits that can be transmitted over a network or cable in a specified amount of time
- 13. a type of network that communicates over a small geographical area, such as a single building
- 18. a type of cyber-attack that uses a dictionary to try to discover passwords automatically
- 19. software that detects and removes spyware from a computer
- 21. a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
- 22. an application that uses rows and columns to organise data and carry out calculations using that data
- 25. computer hardware and complex Al software working together to solve a problem without any human interaction
- 26. the collective name for all types of attacks on a computer or computer network
Down
- 1. the software that users access to carry out tasks
- 2. not allowed
- 3. the study of machines and algorithms designed to carry out tasks in a way that is similar to humans
- 5. software or hardware that prevents unauthorised access to a network
- 7. the physical parts of a computer that you can touch and see, e.g. the processor, storage devices, input devices, output devices
- 8. what happens when something interrupts the transmission of a signal; this could be a physical obstruction such as a wall, or other radio waves
- 10. raw facts and figures
- 11. connected to the internet
- 12. the programs or set of instructions that tell a computer what to do to complete a task; aspects of a device you cannot touch
- 14. carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
- 15. a collection of computing devices connected to each other, either wired or wirelessly
- 16. the instructions that tell a computer system how to complete a task
- 17. enables devices to connect to a network using Wi-Fi
- 20. step-by-step instructions to solve a particular problem
- 21. a network device that forwards data from one device to another
- 23. a simulation that superimposes digital images on the user's real- world environment and allows the user to interact with those images
- 24. a type of network that communicates over a large geographical area, such as across a city or country.
- 27. a popular type of copper cable used to transmit data between devices