Internet and Web

HTTP is inherently stateless, meaning each request is processed independently without memory of previous interactions. Cookies solve this by storing small pieces of data on the client side that are sent back with subsequent requests, allowing the server to maintain session state and track user activity across multiple page views. This enables features like shopping carts, login persistence, and personalized content.

An Evercookie is a JavaScript-based API that produces extremely persistent cookies in a browser. It achieves this by storing cookie data in several redundant storage mechanisms (such as Local Storage, IndexedDB, Flash Cookies, Silverlight, and browser cache) and recreating deleted cookies from surviving copies.

This is an invalid property. The correct name of the property is NavigateUrl, which is used to point to the URL where the control will be transferred if the user clicks an advertisement.

We can use the mailto command in an A HREF link tag to create an email link. Clicking on the link will invoke the clients' email client automatically. 

The href property of the 'Location' object returns the entire path or URL of the current page.

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Using Intent.ACTION_VIEW with a URI creates an Implicit Intent because you're specifying an action and data, but not the exact component to handle it. Android resolves the component at runtime based on the registered intent filters. Explicit intents specify the component class directly (new Intent(context, MyClass.class)).

Content Providers are the Android component designed specifically for sharing structured data between applications. Services run background operations, Intents enable messaging between components, and Activities display UI - none of these are primarily for data sharing across apps.

The 'lynx' command provides a way to browse the web on a text- only terminal.

Optimal page replacement algorithm assumes that the pages that will come in future are already known, so replacement of the page which will not be used in future occurs.

<a href = http://www.company.com> company </a> the format is only correct to create a hyperlink. Because we use <a href = “Link”> link name</a> URL to be displayed on browser. Standard tag to make the text as hyperlink, whereas < a url > and <a> and <a name> are invalid tags.

In CGI programming, PATH_INFO is the extra path information that follows the script name in a URL. For example, in '/cgi-bin/script.py/extra/path', the '/extra/path' portion is the PATH_INFO data available to the CGI program.

HTML documents must begin with the tag as the root element that contains all other elements. The tag is for creating forms, is not a valid HTML tag, and sets the page title but appears inside , not at the document start.