Preparing for an exam

If your purpose in making notes is to prepare for an exam, it will be helpful to do the following:

check the topics required for the exam from your detailed course outline or lecture notes
check the depth of detail required from these sources and from the examples of previous exam papers
identify the information you already have on a particular topic
locate the required information your text that you wish to add to what you already have
collect all the information you have on a particular topic from your various sources (lectures, textbooks, readings,...)
summarise the required information for each topic in a form which is meaningful to you and which you can easily learn from