The date June 10, 1960, is special because when it is written in the following format, the month times the day equals the year:
6/10/60 Design a program that asks the user to enter a month (in numeric form), a day, and a two-digit year. The program should then determine whether the month times the day equals the year. If so, it should display a message saying the date is magic. Otherwise, it should display a message saying the date is not magic.
Data is an individual unit that contains raw materials which do not carry any specific meaning. Information is a group of data that collectively carries a logical meaning.
You need sources of information when writing a formal business document because, if the person receiving the document would like to see the full source you got your information from it could help them understand better what they are reading. Also it looks more professional.