Suppose That a Program Asks a User to Enter Multiple

question 69

Multiple Choice

Suppose that a program asks a user to enter multiple integers, either positive or negative, to do some calculation. The data entry will stop when the user enters a certain value to indicate the end of the data. What value should the code use as the sentinel?

• A) 0
• B) -1
• C) 999
• D) An alphabetic character

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Definitions:

Marjorie Shostak

An anthropologist known for her work studying the !Kung San people, focusing on the lives of women in this society.

Boyd Eaton

An American medical doctor and proponent of the Paleolithic diet, emphasizing a dietary lifestyle based on the presumed eating habits of Paleolithic humans.

Natufian Culture

A Mesolithic culture from the lands that are now Israel, Palestine, Lebanon, and western Syria, between about 10,200 and 12,500 years ago.

Sickles

Curved, hand-held agricultural tools used for harvesting grain crops or cutting grass for hay.