Which of the following statements about programming languages is...

Which of the following statements about programming languages is true?

• Programming languages are natural languages.
• Programming languages are fluid and use dynamic syntax.
• Programming languages do not use tokens.
• Programming languages are used to write instructions that can be interpreted by computers.

Which of the following statements about web applications is true?

• Web applications are always built using JavaScript.
• Web applications are cross-platform applications by default.
• Web applications do not need to compensate for visual or functional disparities when run on different browsers.
• Web applications do not require connection to the Internet to run.

Which of the following is NOT an example of an HTTP request/response conversation?

• A user enters their login credentials and is directed to their personalized home page.
• A user initiates a Google search and results are returned.
• A user types a URL into their browser and a web page is loaded.
• A user creates a text document and saves it to their computer.

A developer is reading an article on a web page and sees a hyperlink to another page. They decide to open the link in a new tab of her browser.

Which of the following is true about this process?

• The JavaScript from the first tab is shared with the second tab via the hyperlink.
• The second tab displays the new page, then runs its HTML.
• New HTML, CSS, and JavaScript are executed in the second tab when it is opened.
• The second tab compiles the new page's JavaScript before loading.

A user logs into a banking website and clicks on a button to view their balances.

Which layer(s) of the web application are being used when the user hits the button?

• The presentation layer
• The presentation and data layers
• The logic and data layers
• The presentation, logic, and data layers

Which of the following actions would JavaScript be responsible for performing on a web page?

• Retrieving information from the data layer to send to the front end.
• Building data sets to provide to other pages.
• Structuring content for a computer to interpret and present to users.
• Running programs when a user interacts with the page.