Software Review

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Across
  1. 2. Updates the operating system with the latest security and performance ‘patches’ released by the software’s creators
  2. 4. Based on Linux, developed by Google; one of newest phone OS’s, runs on a lot of phones
  3. 5. Medium, up to 50GB, cheap
  4. 7. Also possible to install more than one OS at once and choose which one to use
  5. 10. Sets options for disabled users, such as increased font size or screen contrast
  6. 12. Used to compress and back up important files
  7. 14. computers represent all date internally as binary digits
  8. 16. it works on several different platforms
  9. 19. The OS requires each user to __ themselves with a username and password
  10. 22. The basic software included with operating systems to performing common ‘housekeeping’ tasks, helping to maintain and manage the computer
  11. 24. OS for Mac computers, based on UNIX, a system designed around security. Apple added a user-friendly graphic interface
  12. 25. Monitors system resources such as processor and memory usage and otimises them to improve performance
  13. 27. Fast, up to 2B, cheap
  14. 28. Can take advantage of many types of hardware; a popular choice on high end hardware like supercomputers and mainframes, plus embedded devices.
  15. 30. the sets of instructions which hardware follows in order to perform tasks
  16. 31. very fast, up to 500GB, very expensive
  17. 32. user types a series of commands using the keyboard
Down
  1. 1. 8 bits grouped together into more meaningful units
  2. 3. modern coding scheme which aims to solve some of the problems of ASCII
  3. 5. responsible for managing and controlling all of the computer's hardware
  4. 6. Used to detect and remove malicious software such as viruses, Trojan horses, and spyware.
  5. 8. Secure folders, files and disks in the event of theft or loss of the computer
  6. 9. Free software which is “unix-like”
  7. 11. Most common OS; browser = Internet Explorer
  8. 13. operated with a mouse or similar pointing device
  9. 15. some operating systems run on multiple types of hardware platforms
  10. 17. A particular combination of hardware and operating system
  11. 18. Popular OS for mobile phones, managed by Nokia.
  12. 20. Slow, up to 5TB, very cheap
  13. 21. Optimises hard disk performance by arranging files into contiguous sectors
  14. 23. Used to compress files to save disk space or network bandwidth and decompress them again
  15. 26. each pixel in an image uses___of storage space
  16. 29. Detects and deletes unneeded files such as temporary files created by some applications that have built up over time. This helps reclaim valuable disk space