CCCS#20 File Systems

How computers can store and retrieve files of data. 

File Systems

  1. A file format is a way of ................................................. the data in a file.
  2. What is the RAW format of a text (.txt) file comprised of? 
  3. What Character Code Scheme is mentioned as a way of representing text? 
  4. What is the ASCii code (in decimal) for the character G?
  5. Data about data is called...........................................
  6. What is the smallest element of a picture when stored on a computer called? 
  7. Each of the above (question 6) is made up of three colours - what are they?
  8. What information is stored in a File Directory on a storage device?
  9. What is the difficulty faced when using the Back-to-Back file system?
  10. There are two ways that file systems overcome the problem in (9) above - Describe how they operate.
  11. What is it called when files end up spread across blocks and out of order?
  12. On your hard disk how can you speed up the file access when the problem mentioned in 11 above occurs? 
  13. What is is called when files are stored in different folders at different levels. 
  14. What is the top level folder called? 
  15. What piece of software on your computer controls file storage?