In 1980 AD only _______ % of the world population was urbanized:
A.2.50%
B.3.50%
C.4.50%
D.6.50%
The term___________designates equipment that might be added to a computer system to enhance its functionality.?
A. digital device
B. system add-on
C. disk pack
D. peripheral device
The first Secretary General of United Nations was??
A. Dag Hammarskjold
B. Kurt Walheion
C. U Thant
D. Trygue Lie
