Operating systems crossword

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Across
  1. 1. If the data on our hard disk is damaged (such as by a virus) we often use a ‘_ _ _ _ _ _’utility software to recover the lost data.
  2. 3. If you do not regularly run the disk defragmenter and your hard disk becomes heavily fragmented then running this utility can take several ‘_ _ _ _ _’.
  3. 6. Virtual memory being used excessively can lead to ‘_ _ _ _ _ _ _ _ _’. You also might not have a large enough pagefile.
  4. 7. The acronym for Real-Time Operating Systems
  5. 12. Another issue is caused by the fact that over time your hard disk becomes ‘_ _ _ _ _ _ _ _ _ _’. This means that the data that makes up your files & applications are split in different locations across your hard disk.
  6. 13. Where you are storing the back up can also cause a problem. Backing up to ‘_ _ _ _ _’ storage requires a long time to upload the backup, also, backing up to an external disk can be slower depending on the connection used (USB 3.0 is faster than USB 2.0).
  7. 14. Once upon a time command line interfaces, or ‘_ _ _’ , were the most heavily used form of user interface.
  8. 16. Malicious software, such as viruses, can hinder the performance of your operating system. They do this by ‘_ _ _ _ _ _ _ _ _ _’ data, affecting network traffic and disabling or taking over various functions of the operating system.
  9. 18. Much of your networking capabilities, including connecting to the internet, is controlled and managed by your operating system. An example of this is?
  10. 20. Hard Disk Drives (note: not Solid State Drives) are prone to “_ _ _ _ _ _ _ _ _ _ _ _ _’ which negatively affects disk read/write times.
  11. 23. This application will monitor the traffic coming into and out of your computer system (via its ports) over a network to look for anything suspicious.
  12. 26. A poorly performing operating system can be extremely frustrating. Slow boot-up ‘_ _ _ _ _’, application & file loading as well as crashing or freezing can all happen because your operating system has not been maintained.
  13. 27. We see real-time operating systems mostly used in ‘_ _ _ _ _ _ _ _’ devices (such as traffic lights), automatic systems (such as robotics on a manufacturing line) and aircrafts (such as air traffic control systems).
  14. 30. The size of your storage device, the amount of data being used and how fragmented it is, will be the most major factors that makes an anti-virus scan be ‘_ _ _ _ _ _’.
  15. 31. Name a threat to a computer which the security protects which starts with a V.
  16. 32. You can see this type of user interface used in many self-service kiosks. For example, ‘_ _ _’ machines at the bank
  17. 33. Options are ‘_ _ _ _ _ _ _’ , so more complex actions cannot be performed and if the required option is not available then you will not be able to complete your task.
  18. 35. Anti-virus will detect any suspicious programs and remove them before they can cause problems. They usually do this through ‘_ _ _ _ _ _ _ _’ newly added files and software, as well as through regularly scheduled scans of the storage devices connected to your system.
  19. 37. We know that a portion of the hard disk that is reserved as a backup to your main memory for when you no longer have any available ‘_ _ _’.
  20. 38. It is the responsibility of your operating system to assign ‘_ _ _ _ _ _’ to each of your applications running in order to allow them to run.
Down
  1. 2. Software running on your system, including the operating system, need regular ‘_ _ _ _ _ _ _’ in order to keep them secure, to access the latest features & to remove any bugs.
  2. 4. Multi-user operating systems allow many different users to make use of a computer system and its resources at the same time. This is commonly seen used in powerful servers, ‘_ _ _ _ _ _ _ _ _ _ _ _ _ _’ and mainframes.
  3. 5. A multi-user operating system allows many different users to make use of a computer system and its resources at the same time. An example of this would be?
  4. 8. It is easy to use and is easy to move data between applications, however it uses a lot of processing power, memory & storage. It can also be ‘_ _ _ _’ to complete tasks for experienced users.
  5. 9. An adapted, or ‘_ _ _ _ _ _ _’ interface is one that will alter its presentation, layout & even options in order to better support the user or the technology it is running on.
  6. 10. An ‘_ _ _ _ _ _ _’ interface is one that will alter its presentation, layout & even options in order to better support the user or the technology it is running on. This is often used to adapt a GUI to suit the needs of those with disabilities.
  7. 11. This type of user interface is designed around graphical icons and images. We commonly know this as a ‘_ _ _ _’ interface
  8. 15. When managing and maintaining a computer system, ‘_ _ _ _ _ _ _’ software is extremely important. It performs all sorts of useful tasks that can keep your system working in good order.
  9. 17. The likelihood is that on your home computer your operating system is using a graphical user interface, otherwise known as a?
  10. 19. Another issue is where the ‘_ _ _ _ _ _ _ _’the area of the hard disk reserved for virtual memory) is too small and so it cannot support main memory effectively.
  11. 21. Windows 10 is also able alter itself for running on smartphone, ‘_ _ _ _ _ _’ or personal computer.
  12. 22. The ‘_ _ _ _ _ _ _ _ _’system is the most important piece of software that you run on your computer.
  13. 24. A ‘_ _ _ _ _ _’ driver is a small software program that controls the devices you connect to your computer.
  14. 25. Malware may target your firewall though to prevent it from working effectively and open ‘_ _ _ _ _ _ _ _’ holes that can be exploited by a hacker or other malware.
  15. 28. Disk cleaner utilities will identify data that can be removed in order to save hard disk space that can be used for newer data. The registry cleaner will remove old redundant registry entries, such as from ‘_ _ _ _ _ _ _’ software programs.
  16. 29. Windows operating systems for example are known for being highly adaptive. Colours, images, font sizes, cursor sizes, screen resolution and many other elements can all be adapted to better support the ‘_ _ _ _’
  17. 34. Name a Single-User, Multi-Tasking Operating Systems which starts with A
  18. 36. If you have ever used ‘_ _ _ _ _ _ _’ Prompt on a Windows PC or Terminal on a Mac, then you have an idea of what a command line interface would look and work like.