Scripting-and-Programming-Foundations Exam Dumps - WGU Scripting and Programming Foundations Exam

Let's evaluate F(3):

F(3) = (4 * 3) - 8

F(3) = 12 - 8

F(3) = 4

The first step in the algorithm to calculate the positive difference between two given values, x and y, is to declare the variable Diff. This is essential as it initializes the variable that will be used to store the calculated difference between x and y. The subsequent steps involve conditional statements and arithmetic operations that utilize this declared variable to compute and store the positive difference. References: N/A (as per image provided)

The image shows steps of an algorithm listed in no particular order for calculating the positive difference between two values, making it relevant for understanding or teaching algorithmic logic and sequence.

A statically typed language is one where the type of a variable is known at compile time. This means that the type of each variable must be declared and does not change throughout the program’s execution. While this can lead to a larger number of variable declarations and sometimes conversions, it also allows for type checking at compile time, which can catch many errors before the program runs. Statically typed languages include Java, C, C++, and others123.

The algorithm is designed to output “OK” if the input number is within the range of 98.3 to 98.9. Therefore, the valid test would be one that checks if the algorithm correctly identifies a number within this range and outputs “OK”. Option B provides an input of 98.6, which falls within the specified range, and expects the correct output of “OK”, making it a valid test case for the algorithm.

The modulus operator % is used to find the remainder of a division of two numbers. When you use q % 10, you are essentially dividing q by 10 and taking the remainder, which will always be the rightmost digit of q in base 10. This is because our number system is decimal (base 10), and any number modulo 10 will yield the last digit of that number. For example, 16222 % 10 will give 2, which is the rightmost digit of 16222.

 When dealing with body temperature, especially in Fahrenheit, the appropriate data type to use is a floating-point number (float). Here’s why:

Measurement Precision:

Body temperature can have decimal values, such as 98.6°F.

Integer data types (like B. Integer) cannot represent fractional values.

Floats allow for greater precision and can handle decimal places.

Temperature Scales:

Fahrenheit is a continuous scale, not a discrete set of values.

It includes both positive and negative values (e.g., sub-zero temperatures).

Floats accommodate this range effectively.

Examples:

A person’s body temperature might be 98.6°F (normal) or 101.3°F (fever).

These values require a data type that can handle fractions.

A while loop is used to repeatedly execute a block of code as long as a specified condition is true. In the context of the given options:

Option A could use a simple if-else statement to compare two numbers and print the larger one.

Option B is a classic example of a use case for a while loop. The loop can run until the correct password is entered or the maximum number of attempts is reached.

Option C could be accomplished with a single if statement to check if the number is a multiple of 10.

Option D can also be done with an if-else statement to check the properties of the number.

Therefore, the task that is best suited for a while loop is Option B, where the user is asked to enter a password repeatedly until a correct password is entered or a certain number of incorrect attempts have been made. This requires the program to loop through the password prompt and check the conditions after each input, which is what while loops are designed for.

Object-oriented programming (OOP) is characterized by the concept of encapsulating data and operations within objects. This characteristic is fundamental to OOP and distinguishes it from procedural programming, which is structured around functions rather than objects. In OOP, objects are instances of classes, which define the data (attributes) and the operations (methods) that can be performed on that data. This encapsulation of data and methods within objects allows for more modular, reusable, and maintainable code.

The characteristics of object-oriented programming languages are well-documented and include encapsulation, abstraction, inheritance, and polymorphism. These principles are foundational to OOP and are supported by languages like C++, Java, and Python12345.