Explain why documentation is essential for Zevo’s new system, and how documentation can be used during systems development.
What will be an ideal response?
Keeping accurate records of interviews, facts, ideas, and observations is essential tosuccessful systems development. The ability to manage information is the mark of an experienced systems analyst and an important skill for all IT professionals.As you gather information, the importance of a single item can be overlooked or complexsystem details can be forgotten. The basic rule is to write it down. You should documentyour work according to the following principles:
• Record information as soon as you obtain it.
• Use the simplest recording method possible.
• Record your findings in such a way that they can be understood by someone else.
• Organize your documentation so related material is located easily.
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What is meant by "Store data in its smallest parts" when designing database fields?
What will be an ideal response?
class rectangleType{public:void setLengthWidth(double x, double y);//Postcondition: length = x; width = y;void print() const;//Output length and width;double area();//Calculate and return the area of the rectangle;double perimeter();//Calculate and return the parameter;rectangleType();//Postcondition: length = 0; width = 0;rectangleType(double x, double y);//Postcondition: length = x; width = y;private: double length; double width;}; Consider the accompanying class definition, and the declaration:rectangleType bigRect; Which of the following statements is correct?
A. rectangleType.print(); B. rectangleType::print(); C. bigRect.print(); D. bigRect::print();