Which of the following is not a commonly used programming language for web development

To determine which programming language is not commonly used for web development, we can look at a list of popular languages typically used in this field:

1. HTML - A markup language used for creating web pages.
2. CSS - A style sheet language used for describing the presentation of a document written in HTML.
3. JavaScript - A scripting language widely used to create dynamic content on websites.
4. PHP - A server-side scripting language designed for web development.
5. Ruby - Often used in web development, particularly with the Ruby on Rails framework.

Some languages that are not commonly used for web development include:

• C - Primarily used for system programming.
• Java - Although it may be used in some web applications, it is more commonly associated with enterprise applications.
• Assembly - Mainly used for low-level programming and hardware-related tasks.

Given these insights, the language that is least likely to be used for web development would typically be Assembly or C, as these are not designed for that purpose. However, a definitive answer would depend on the specific options provided in your question.