Scripting Languages in Web Development

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What is the purpose of a script in a movie or a play?

To provide instructions for the web browser

To write applications from scratch

To combine the functionality of other programs

To provide a list of actions for the actors to perform (correct)

What do scripting languages assume exist in other languages?

System programming languages

A collection of useful components (correct)

Useful algorithms

Dynamic web content

What allows scripting languages to act as an intermediary between programs?

Their ability to combine components (correct)

Their ability to execute machine instructions

Their ability to provide quick programming

Their ability to write applications from scratch

What is an application of scripting languages in web development?

Developing interactive web pages Signup and view all the answers

What is a characteristic of scripting languages?

They are used for quick programming Signup and view all the answers

What is another name for scripting languages?

System integration languages Signup and view all the answers

When should a scripting language be used over a system programming language?

When connecting preexisting components Signup and view all the answers

What enables web browsers to extend the capabilities of static websites?

Scripting languages Signup and view all the answers

What is a key difference between Python and other scripting languages?

It combines compilation and interpretation Signup and view all the answers

What is PHP commonly used for?

Web development and general-purpose programming Signup and view all the answers

What is a key feature of JavaScript?

It can run on any platform with a JavaScript interpreter Signup and view all the answers

What is AppleScript primarily used for?

Sending commands to the operating system Signup and view all the answers

What is a key feature of VBScript?

It is a cut-down version of Visual Basic Signup and view all the answers

What is a common use case for Python?

System administration and file sharing Signup and view all the answers

What is a key feature of PHP?

It is a server-side scripting language Signup and view all the answers

What is JavaScript often used for?

Enhancing web page functionality and interactivity Signup and view all the answers

What is the primary function of client-side scripting languages?

To add functionality to web pages, such as different menu styles, graphic displays, or dynamic advertisements Signup and view all the answers

What happens when a user's browser does not have a scripting language enabled?

A message usually pops up to alert the user when a script is attempting to run Signup and view all the answers

What is the main difference between client-side and server-side scripting languages?

The location where the script is executed Signup and view all the answers

What is the purpose of a Java virtual machine in a web browser?

To support the execution of applets Signup and view all the answers

What is the primary advantage of server-side scripting languages?

The ability to highly customize the response based on the user's requirements Signup and view all the answers

What is the typical environment where client-side scripting languages are run?

A browser Signup and view all the answers

What is the purpose of a script in a web page?

To provide interactive features to web pages Signup and view all the answers

What is the relationship between a client's browser and a web server in client-side scripting languages?

The web server sends the script to the client's browser to be executed Signup and view all the answers

What is a disadvantage of using CGI scripts?

The web server must launch each script as a separate program. Signup and view all the answers

What is a result of dynamic typing in scripting languages?

Type mismatches can occur when a variable is assigned a type that is not expected. Signup and view all the answers

What is a characteristic of Microsoft's scripting interface?

It is implemented uniformly by the operating system, the web server, and the Internet Explorer browser. Signup and view all the answers

What comes pre-installed on Windows machines?

A Windows Script implementation of JScript. Signup and view all the answers

What is a limitation of CGI scripts regarding their location?

They can be installed only in trusted directories. Signup and view all the answers

What extra task must each CGI script perform?

Generating not only dynamic content, but also the HTML tags that are needed to format and display it. Signup and view all the answers

Why do CGI scripts appear different to end users?

Because the name of the script appears in the URI, typically prefixed with the name of the trusted directory. Signup and view all the answers

What is the main idea behind the Principle of Succinctness?

To minimize effort and time in programming Signup and view all the answers

What is a characteristic of Ruby as an object-oriented language?

Everything is an object, including classes Signup and view all the answers

What is the purpose of mixins in Ruby?

To provide a way to add behaviors to a class Signup and view all the answers

What is a module in Ruby?

A degenerate abstract class that can't be instantiated Signup and view all the answers

What is a criticism of Ruby's syntax?

It blurs the line between names of variables, classes, and methods Signup and view all the answers

What is an example of a side effect in Ruby?

The <code>gets</code> method changes the global variable <code>$</code> Signup and view all the answers

What is a benefit of using Ruby?

Common needs are built-in Signup and view all the answers

What is a characteristic of reflection in Ruby?

It is built-in along with other dynamic metadata features Signup and view all the answers