Latest WGU Scripting-and-Programming-Foundations D278 Practice Questions By Morgan

An algorithm is a set of step-by-step instructions for completing a task. In the context of buying a pair of shoes from a store, the first logical step would be toenter the store. This is because one cannot select a pair of shoes, bring them to the cashier, or pay for them without first entering the store. The steps should follow a logical sequence based on the dependencies of each action:

Enter the store- This is the initial step as it allows access to the shoes available for purchase.

Select the pair of shoes- Once inside, the next step is to choose the desired pair of shoes.

Bring the shoes to the cashier- After selection, the shoes are taken to the cashier for payment.

Pay for the shoes- The final step is the transaction to exchange money for the shoes.

The concept of algorithms and their properties can be found in computer science and programming literature, such as ''Introduction to Algorithms'' by Cormen, Leiserson, Rivest, and Stein.

The logical ordering of steps in a process is a fundamental aspect of algorithm design, which is covered in foundational programming and scripting courses.

A programming library is a collection of pre-written code that developers can use to optimize tasks and improve productivity. Here's why the selected statements are correct:

A: Libraries must be included or imported into your program before you can use the functions or objects they contain.This is because the program needs to know where to find the code it's executing12.

B: A library typically includes multiple functions, objects, or classes that are related to a specific task or area of functionality.This allows developers to reuse code efficiently12.

D: By providing pre-written code, libraries save developers time and effort, which in turn improves their productivity.Instead of writing code from scratch, developers can focus on the unique aspects of their project12.

The other options are incorrect because:

C: While it's true that poorly designed libraries can affect performance, well-designed libraries can actually make programs more efficient by providing optimized code.

E: A single program can include multiple libraries as needed. There's no limit to the number of libraries a program can use.

F: Libraries often contain multiple functions and variables, not just one function.

CareerFoundry's guide on what a programming library is1.

Codingem's complete guide on libraries in programming2.