4.1
What does a Java Virtual Machine (VM) do?
The Java VM converts source code into machine code to run on the hardware platform.
Which of the following HTML5 source code is correct?
<html> <body> <h1>Hello World</h1> <p>Say hello back to <a href="mailto:[email protected]">CompTIA</a>!</p> </body> </html>
Which of the following HTML code snippets includes properly nested tags?
<p><em>Hello World!</em></p>
What is the key difference, in programming terms, between a procedure and a function?
A function can return a value to whatever called it.
How is a script different than a program?
A script is generally smaller and targeted at completing a specific task.
What is a program BEST described as?
A sequence of instructions for your computer to perform
Which of the following is NOT a compiled programming language?
CSS
Which statement BEST describes the overall purpose of Windows PowerShell?
It enables you to perform management and administrative tasks in Windows 10 and Windows Server 2016 (and some earlier versions).
What does the acronym SQL stand for?
Structured Query Language
In Hypertext Markup Language (HTML), what does the <a> tag do?
The <a> tag indicates that the content links to another resource.
In Hypertext Markup Language (HTML), what does the <body> tag do?
The <body> tag indicates the main part of the content as a page to show to the client.
In Hypertext Markup Language (HTML), what does the <h1> tag do?
The <h1> tag indicates that the content is a heading level.
In Hypertext Markup Language (HTML), what does the <html> tag do?
The <html> tag is the top-level parent element that identifies the type of document.
In Hypertext Markup Language (HTML), what does the <p> tag do?
The <p> tag indicates the content is a paragraph-level block.
Which statement BEST describes batch files?
They are a collection of command-line instructions that you store in a .CMD file.
How do compilers and interpreters respond to comments in your code?
They ignore comments.
Which negative factor must be considered when developing with interpreted languages?
They must be converted into machine code, therefore increasing runtime.
What is the primary function of markup language tags?
They tell a client application (such as a browser) how to structure the document.
What is the primary purpose of the Windows PowerShell Integrated Scripting Environment (ISE)?
To help create and manage your Windows PowerShell scripts
Query languages, such as Structured Query Language, are designed for what purpose?
To retrieve specific records from a dataset
Most programming languages are similar in their structure and syntax, but it is important to use the specific syntax of a given language. Why?
Using incorrect syntax will create errors, causing the code not to compile or run.
What programming language is VBScript based on?
Visual Basic
What does a programmer do?
Works with programming language(s) to write code for applications
In terms of coding, what does the acronym XML stand for?
eXtensible Markup Language
Which of the following is NOT important to consider when choosing a programming language?
How large the source code file size will be after compiling the program
Which of the following is NOT an interpreted language?
Hypertext Markup Language
How is machine code, the language that all computers speak, presented?
In binary format as 1s and 0s
Which object is NOT utilized by Object-Oriented Programming (OOP)?
Commands
How does pseudocode present comments to maintain revisions?
Comments are preceded by a special character syntax depending on the language being used.
Why is it important to compile code before executing it?
Compiling converts the source code that you wrote to machine code for the CPU to process.
Which of the following is NOT a comment line special delimiter?
Dollar ($)
Why is it important to write comments when coding a program?
It helps the developer read and maintain the code.
Which statement BEST defines a virtual machine?
It is used to operate multiple operating systems and virtual computers on existing hardware.
How does assembly language work?
It represents machine code in human-readable text.
What is the key difference between Java and JavaScript?
Java is a programming language, whereas JavaScript is a scripting language.
What language does VBScript share similarities with?
JavaScript
Which of the following is not considered platform dependent?
JavaScript
How does a markup language, such as HTML, assist a program when rendering code?
Markup language makes data in a document accessible to a program through structured tags.
