Coding Tech Plus

If application requires a value to be stored with decimal precision, what data type would you use?

• Float

• String

• Integer

• String

Answer explanation

The Float data type is designed to store numbers with decimal precision, making it the correct choice for applications that require such values. In contrast, Integer stores whole numbers, and String is for text.

A value that will change each time the program is run can be stored using what?

• Constant

• Variable

• Object

• Number

Answer explanation

A variable is used to store values that can change during program execution, unlike a constant which remains fixed. Therefore, the correct choice for a value that changes each time the program runs is a variable.

What would be used to store a value that will never change?

• Array

• Variable

• Constant

• Vectors

Answer explanation

A constant is used to store a value that will never change, making it ideal for fixed values. In contrast, variables can change, and arrays or vectors are collections of values, not single unchanging values.

What concepts is used in object oriented programming to describe properties?

• Encapsulation

• Polymorphism

• Attributes

• Methods

Answer explanation

In object-oriented programming, 'attributes' refer to the properties or characteristics of an object. They define the state of an object, while methods define its behavior. Thus, 'attributes' is the correct term for describing properties.

Which language can makes Website elements interactive?

• JavaScript

• CSS

• HTML

• XML

Answer explanation

JavaScript is the language that enables interactivity on websites, allowing elements to respond to user actions. In contrast, CSS is for styling, HTML for structure, and XML for data representation.

If you want to add colors, fonts, and other visual design elements to a website what would be the BEST language to use?

• HTML

• CSS

• JavaScript

• XML

Answer explanation

CSS is the best language for adding colors, fonts, and visual design elements to a website. While HTML structures content and JavaScript adds interactivity, CSS specifically handles the presentation and styling.

If you want to create website structure and content you would use which language?

• HTML

• JavaScript

• Java

• CSS

Answer explanation

HTML (HyperText Markup Language) is the standard language used to create the structure and content of web pages. It defines elements like headings, paragraphs, and links, making it essential for website development.

A diamond on a flowchart represents what?

• Decision

• Direction

• Flow

• Constant

Answer explanation

In a flowchart, a diamond shape indicates a decision point where a choice must be made, leading to different paths based on the outcome. Therefore, the correct answer is 'Decision'.

What is the BEST description of a flowchart?

• It does the same thing over and over in exactly the same way.

• It starts at the first line and then executes one line at a time until the end.

• It is a visual representation of the logic in a program.

• It is a step-by-step procedure that illustrates how a problem is to be solved.

Answer explanation

The best description of a flowchart is that it is a visual representation of the logic in a program. It helps to illustrate the sequence of steps and decisions involved in a process, making it easier to understand.

Code that keeps running as long as a certain condition is met is called what?

• While loop

• For loop

• Decision

• Branch

Answer explanation

A 'while loop' is a control flow statement that repeatedly executes a block of code as long as a specified condition is true. This distinguishes it from 'for loops', which iterate a set number of times.