Internet and Web

Email tracking allows senders to monitor when recipients open emails and can sometimes detect forwarding through tracking pixels and read receipts. However, comprehensive tracking of where emails are forwarded is limited by privacy features in modern email clients. The answer 'True' is generally correct for basic tracking capabilities.

In the context of the internet, a cookie is a small text file stored on a user's computer by a web browser. it contains information to track user activity or maintain session states. It is not software, a website, or a malicious hacker file.

E-mail is a form of asynchronous communication where messages are sent and stored until the recipient chooses to open and read them at a later time. Chat, instant messaging, and IRC are all synchronous, real-time communication mediums.

E-mail is asynchronous communication - messages are stored and read later, unlike live communication which happens in real-time. Chat, Instant Messaging, and IRC all require both parties to be present simultaneously for the conversation to occur.

Yahoo! was founded in 1994 by Jerry Yang and David Filo as a directory-based search engine, making it one of the earliest web search tools. However, calling it the 'original' search engine is debatable as the Web began in 1991. AOL, Lycos, and Microsoft have different roles in internet history.

The name 'Google' originated from 'Googol,' the mathematical term for the number 1 followed by 100 zeros (10^100). This represented the company's mission to organize the immense amount of information available on the web. Option B is correct.

The domain name google.com was registered on September 15, 1997. This is a factual historical date about Google's early establishment. Option C is correct.

PageRank, Google's core search algorithm, is named after Larry Page, Google's co-founder. The algorithm ranks web pages based on their importance and link structure. Option C correctly identifies it was named after the co-founder.

To search for an exact phrase in Google, you enclose the phrase in quotation marks. For example, "new york city" will find results with that exact phrase rather than the individual words scattered throughout the page. Option B is correct.

To exclude pages containing a specific word from Google search results, use the minus sign (-) immediately before the word you want to exclude. For example, 'diet -atkins' will search for diet-related results while excluding pages containing the word 'atkins'. Option C is correct.

The site: operator restricts search results to a specific website or domain. 'blackjack site:www.plentysmart.com' searches only for pages on plentysmart.com containing 'blackjack'. This is Google's standard syntax for site-specific searches.

The link: operator finds all pages that link to a specific URL. 'link:www.whitehouse.gov' returns pages containing links to whitehouse.gov. This is useful for SEO research and finding backlinks.

The cache: operator shows Google's most recent cached version of a webpage. 'cache:www.plentysmart.com' displays when Google last crawled and indexed the site, indicating how fresh their information is. This helps diagnose SEO and indexing issues.

The 'related:' operator is a specific Google search operator that finds websites similar to the specified URL. When you search for 'related:www.yale.edu', Google returns a list of sites that it determines are related to Yale's homepage based on content and linking patterns. Other operators like 'link:' show sites that link TO the page, while 'like:' and 'showlike:' are not valid Google search operators.