CCCS#19 Memory / Storage

Memory and Storage 

Now move onto CCCS#20 on File Systems

Memory/storage

  1. What is a main difference between main memory and storage?
  2. What was the earliest form of storage?
  3. How much data could be stored on a single 80 * 12 memory card?
  4. What’s the average file size of a SmartPhone photo?
  5. This early form of storage was write .............................  read ........................
  6. How did Delay line memory make use of a sound pressure wave to record binary data?
  7. What kind of memory access does Delay Line use? 
  8. How did Magnetic Core memory record zeros and ones? 
  9. Which computer was the first to use Magnetic Core Memory and when was this?
  10. What type of access does Magnetic Core Memory use? 
  11. What is magnetic tape storage used for today?
  12. A hard disk uses ......................... polarity to record binary data. 
  13. What was the first computer with disk drives and how much could it store?
  14. What is a Seek time?
  15. A Compact Disk stores data by using what? 
  16. What is a memory Hierarchy?