This is the educational material for Bodhisukha School (West Bengal, India) Computer class targeted class 6 to 8.

1. EASY COMPUTER FOR BDS PART 6
Computer has Hardware, Software and Operation System. It
is a metal box without those three.
Easy Computer For BDS Part 3

2. INDEX
1. What is the Hard disk?
2. Where is the RAM?
3. Internal and portable DVD drive.
4. Do you know Button battery inside?
5. Mother board , CPU and Power Supply
Unit.
6. Beware for power cut UPS.
7. Interface: USB and High Speed USB
8. SD, Micro SD card

3. 1.WHAT IS THE HARD DISK?
 How is your HARD DISK SIZE?
Check the size.

4. 2.WHERE IS THE RAM?
 How does the RAM work?
Check the size of RAM
Remove and add RAM
Caution!!!

5. 3.INTERNAL AND PORTABLE DVD DRIVE.
 How does the DVD drive Work?

6. 4.DO YOU KNOW BUTTON BATTERY?
 Turn off the computer, but it keeps time.
How does it work?
Were is it?

7. 5.MOTHER BOARD , CPU AND POWER SUPPLY
UNIT.
 These are main parts of Computer

8. 6.BEWARE FOR POWER CUT UPS.
 Check the UPS specification.
How many minute's does your UPS last?
Desk top 50-150W
Lap Top 20-30W

9. 7.INTERFACE: USB AND HIGH SPEED USB
 Do you have Pen drive?
Check your pen drive
capacity!
Do you know High
Speed USB?
How many pic can
you save your Drive?

10. 8.SD, MICRO SD CARD 1
 Check your SD card or Micro SD card.
There are different
type of SD Card

11. 9.SD, MICRO SD CARD 2
 Check your SD card or Micro SD card.
Check the transfer Speed