The operators used for arithmetic operations are called arithmetic operators.
Answer the following statement true (T) or false (F)
True
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A microchip is made:
a. of silicon b. from the same material as a postage stamp c. by the Altair company d. All of the above are true
onsider a class ScienceFairProjectRating that will be used to help judge a science fair project. It will use the class RatingScore described in the previous exercise. The attributes for the new class are
• The name of the project • A unique identification string for the project • The name of the person • A rating for the creative ability (max. 30) • A rating for the scientific thought (max. 30) • A rating for thoroughness (max. 15) • A rating for technical skills (max. 15) • A rating for clarity (max. 10) It will have methods to • Get the number of judges • Get all the ratings for a particular project • Return the total of the ratings for a particular project • Return the maximum total rating possible • Return a string showing a project’s rating in a format suitable for display a. Write a method heading for each method. b. Write preconditions and postconditions for each method. c. Write some Java statements that test the class. d. Implement the class.
Dijkstra's algorithm is similar to the minimum spanning tree algorithm.
Answer the following statement true (T) or false (F)
Describe the differences between combinations and permutations.
A. For combinations order is important, and for permutations order is not important. B. For permutations order is important, and for combinations order is not important. C. Permutation is the number of different ways that a set of events can be placed in a specific order, and combination is the number of ways that a set of objects can be placed in a specific order. D. Permutation is the number of different ways that a set of objects can be selected, and combination is the number of ways that a set of events can be selected. E. none of these