A great video lecture conducted by experienced computer science teacher on 9th class computer science chapter 3 topic3.1 output devices monitor. Get full understanding or ask any questions.
Output Devices Monitor, ch 3, lec 3.2, Output Devices Monitor - 9th Class Computer Science Old Book
17:45
Non Impact Printers, ch 3, lec 3.2, Output Devices Monitor - 9th Class Computer Science Old Book
14:07
Compact Disk Recordable, ch 3, lec 3.2, Output Devices Monitor - 9th Class Computer Science Old Book
4:31
