Reference Sources

1.In en.wikipedia.org/wiki/Nobel_Prize, Alfred Nobel get it from 1901 10th December.

2.The history of the modern computer begins with two separate technologies—automated calculation and programmability—but no single device can be identified as the earliest computer, partly because of the inconsistent application of that term. Examples of early mechanical calculating devices include the abacus, the slide rule and arguably the astrolabe and the Antikythera mechanism (which dates from about 150–100 BC).

3.General book is a text book with information from the library and for reference book is a list and informations such as dictionary, encyclopedia and others.

4.To search information from reference collection is to start with reference work from dictionary and ecyclopedia which is easy to use.

5.Dictionary because it has many vocabularies on each pages with definitions on it.

6.Index:The Seven Deadly Skills of Competing-
Adopting the Customer Mindset (ACM) 68-70'137 and marketing 141 where it has numbers of pages.
Knowing to each other, competing on right ways and organization to the employers.
Also Includes an important key words such as Ambition, Preface and others as wells which has an information with definitions on each meanings.