This video will show how set your computer battery in sleeping mode or display mode to secure your battery.

Computer lesson:
1.កុំព្យូទ័រថ្នាក់រដ្ឋបាលទូទៅ - Computer for General Administration
https://www.youtube.com/playli....st?list=PLyA3fqcZyeN
2. រៀន​ Word
https://www.youtube.com/playli....st?list=PLyA3fqcZyeN
3. រៀន Excel
https://www.youtube.com/playli....st?list=PLyA3fqcZyeN
4. រៀនកុំព្យូទ័រដំបូង
https://www.youtube.com/playli....st?list=PLyA3fqcZyeN
5. រៀន​ PowerPoint
https://www.youtube.com/playli....st?list=PLyA3fqcZyeN