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Select the correct statements:

1. Do not access someone system or computer without the permission of the owner

2. For laptop used in home, it is a good idea to buy a normal keyboard and mouse plug in, as this makes it much easier to use the laptop in a more 'back friendly manner'.

3. When. sitting and concentration on the screen for so long-, we do not need to be aware about the position.

A)  1 and 2 are correct               

B)  2 and 3 are correct

C)  1 and 3 are correct               

D)  All are correct

E)  None of these