Geografiya

1. connected to the internet
4. the programs or set of instructions that tell a computer what to do to complete a task; aspects of a device you cannot touch
5. step-by-step instructions to solve a particular problem
9. software that detects and removes spyware from a computer
13. the physical parts of a computer that you can touch and see, e.g. the processor, storage devices, input devices, output devices
17. a type of network that communicates over a large geographical area, such as across a city or country.
18. what happens when something interrupts the transmission of a signal; this could be a physical obstruction such as a wall, or other radio waves
19. a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
20. a type of network that communicates over a small geographical area, such as a single building

2. a popular type of copper cable used to transmit data between devices
3. software or hardware that prevents unauthorised access to a network
6. raw facts and figures
7. a network device that forwards data from one device to another
8. enables devices to connect to a network using Wi-Fi
10. the collective name for all types of attacks on a computer or computer network
11. carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
12. a collection of computing devices connected to each other, either wired or wirelessly
14. software that detects and removes viruses from a computer
15. a measure of the maximum number of bits that can be transmitted over a network or cable in a specified amount of time
16. the instructions that tell a computer system how to complete a task