What displays on the Media Control bar to indicate a bookmark location in a video?
A) A green triangle B) A circle
C) A purple square box D) A black triangle
B
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Extend the following class definition so it overloads the input and output operators.
``` class Vect { public: Vect () {} Vect ( double, double ); private: double r; // magnitude double theta; // direction (radians) }; // // Constructor 2: Initializes all components // Vect :: Vect( double vectMag, double vectDir ) { r = vectMag; theta = vectDir; } ```
Consider a relational schema R(A, B, C) with a functional dependency B ? C. If A is a candidate key of R, could R be in BCNF and, if so, under what conditions?
What will be an ideal response?
An enterprise contingency plan is copying information to a different medium and storing it at an off-site location so that it can be used in the event of a disaster.
Answer the following statement true (T) or false (F)
It is very important to sort the first column in a table lookup array in descending order.
Answer the following statement true (T) or false (F)