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All variables must be initialized before they are used, but not necessarily during declaration

A compiler: translates a program written in a high-level language into machine language 

 Semantic rules: rules that specify which statements (instructions) are legal or valid

The output of this code will be:

The logical AND operator (&&) returns true only if both operands are false.

An assembler translates a program written in assembly language into machine language

Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 23 m steps off his tree limb, and swings down and then up to Jane’s open arms. When he arrives, his vine makes an angle of 30o with the vertical with a speed of 9.00 m/s.  How high above Jane is Tarzan when he steps off the tree limb?  

Three identical balls are thrown from the top of a building, all with the same initial speed.  The first ball is thrown horizontally, the second is thrown at some angle above the horizontal, and the third is thrown at some angle below the horizontal.  Neglecting air resistance, rank the speeds of the balls as they reach the ground from fastest to slowest. (You must upload detailed work to back up your selection to get credit).

A pregnant woman was tested for fetal fibronectin (fFN) using vaginal secretions as the specimen. The fFN result indicated a concentration of 55 ng/mL (increased). What information does this analyte’s value provide?

In a preterm infant, the lack of pulmonary surfactant in immature lungs will produce which of the following symptoms?