Have a pen and a rough note with you. Try to write the important points side by side as you study. Try to study louder to avoid sleepy mood. Recollect what you have studied.

Take a pen and a rough note with you. Try to write the important points side by side as you study. Try to study louder to avoid sleepy mood. Recollect what you have studied. Refresh yourself by walking, washing face etc., when you get sleepy. Sit in a proper position to study.

They are portable and it is sufficient to ordinary users. But for those who love big HD games it is not so useful.