Software

4. Software that could create multiple copies of itself and requires a network to spread to the connected devices
7. A utility that moves file clusters on a disk so that they are closer to each other to improve speed up disk access
8. A computer program that only allows certain types of information to pass through it
10. A copy of the files in another location so that they could be accessed if the original files have been damaged, lost or stolen
12. The ease which a device or application could be used
14. Processes that run at the same time
15. A link that could be clicked on to go to another location
16. A type of Utility software that prepares storage media such as a hard disk or USB flash drive for its first use
18. Utilities that have been used to reduce the size of a file or a set of files
19. Brocken into pieces
20. a software which controls the data that travels into and out of the network

1. A software, possibly a virus that has been secretly installed on a user's computer and could record private information as it is being entered
2. Tasks running on a computer, including application programs
3. A change or addition to a computer file, so that it has the most recent information
5. A proprietary software that is provided free of charge to users
6. a type of algorithm that can find a solution to a problem quickly and easily
9. The process of proving a computer system who you are
11. a group of things together that are of the same type
13. A computer image stored and printed in the arrangement of bits
17. The algorithm that the OS uses to allow each running process to use the CPU