Consider the following code that will assign a letter grade of 'A', 'B', 'C', 'D', or 'F' depending on a student's test score. if (score = 90) grade = 'A'; If (score = 80) grade = 'B'; If (score = 70) grade = 'C'; If (score = 60) grade = 'D'; Else grade = 'F'; A) This code will work correctly in all cases B) This code will work correctly only if grade = 60 C) This code will work correctly only if grade

Question

Consider the following code that will assign a letter grade of 'A', 'B', 'C', 'D', or 'F' depending on a student's test score. if (score >= 90) grade = 'A'; If (score >= 80) grade = 'B'; If (score >= 70) grade = 'C'; If (score >= 60) grade = 'D'; Else grade = 'F'; A) This code will work correctly in all cases B) This code will work correctly only if grade >= 60 C) This code will work correctly only if grade < 60 D) This code will work correctly only if grade < 70 E) This code will not work correctly under any circumstances

Quizplus · Accepted Answer

D) The problem with this code is that it consists of three if statements followed by one if-else statement, rather than a nested if-else statement. So the logic is improper. If the student's grade falls into the 'A' category, then all 4 conditions are True and the student winds up with a 'D'. If the student's grade falls into the 'B' category, then the first condition is false, but the next three are True and the student winds up with a 'D'. If the student's grade falls into the 'D' category, then the only condition that is True is the one that tests for 'D' and so the grade is assigned correctly. If the student's grade falls into the 'F' category, then none of the conditions are True and an 'F' is assigned correctly. So, only if the grade < 70 does the code work correctly.

Consider the Following Code That Will Assign a Letter Grade