Advantages, means it is the good effects if someone or something do something or did something.
Disadvantages, means it is the bad effects if someone or something do something or did something.
Let us make a situation, so that we can give examples of advantages and disadvantages.
Let us say the advantages and disadvantages of having K-12 program in our country.
ADVANTAGES
1. Kids will enter college more mature, ready and practiced.
2. Immediate work after school
3. More knowledge for students.
DISADVANTAGES
1. Extra two years of school
2. Lack of classrooms
3. Parents will be worried of the future of their children.