A great video lecture conducted by experienced computer science teacher on 9th class computer science chapter 4 topic4.1 secondary memory. Get full understanding or ask any questions.
Secondary Memory, ch 4, lec 4.5, Secondary Memory - 9th Class Computer Science Old Book
5:59
Floppy Disk, ch 4, lec 4.5, Secondary Memory - 9th Class Computer Science Old Book
13:47
Hard Disk, ch 4, lec 4.5, Secondary Memory - 9th Class Computer Science Old Book
21:15
Compact Disk, ch 4, lec 4.5, Secondary Memory - 9th Class Computer Science Old Book
5:16
Tape Storage, ch 4, lec 4.5, Secondary Memory - 9th Class Computer Science Old Book
4:26
