Computer science

4. raw facts and figures
8. the physical parts of a computer that you can touch and see, e.g. the processor, storage devices, input devices, output devices
10. a computer that offers a service to other devices on a network, such as file-sharing services and printer-sharing services
12. a collection of computing devices connected to each other, either wired or wirelessly
13. step-by-step instructions to solve a particular problem
14. carrying out an operation on data, e.g. querying a database or doing a calculation using data in a spreadsheet
16. software that detects and removes spyware from a computer
18. a type of network that communicates over a large geographical area, such as across a city or country.
20. what happens when something interrupts the transmission of a signal

1. a measure of the maximum number of bits that can be transmitted over a network or cable in a specified amount of time
2. enables devices to connect to a network using Wi-Fi
3. the collective name for all types of attacks on a computer or computer network
5. software or hardware that prevents unauthorised access to a network
6. a popular type of copper cable used to transmit data between devices
7. software that detects and removes viruses from a computer
9. the programs or set of instructions that tell a computer what to do to complete a task; aspects of a device you cannot touch
11. the instructions that tell a computer system how to complete a task
15. connected to the internet
17. a network device that forwards data from one device to another
19. a type of network that communicates over a small geographical area