Search Engines | IGCSE Information and Communication Technology Preparation - Year 11 PDF Download

What are Search Engines?

• Search engines are instruments that find and exhibit web pages connected to the search terms inputted by the user.
• They play a crucial role in navigating the extensive array of information available on the internet.
• Search engines index millions of web pages and employ algorithms to assess the relevance of each page to the search terms.

Speed of Searching

• Search engines swiftly scan billions of web pages, leveraging your internet speed and their algorithms for efficiency.
• They offer a vast array of information, emphasizing the importance of using precise search terms.

Amount of Information

• Search engines often generate a vast volume of information, underscoring the necessity of employing precise and pertinent search terms.
• Employing techniques such as using quotation marks for exact phrases, plus signs to mandate terms, or minus signs to exclude terms can refine the search process.

Finding Relevant and Reliable Information

• The search engine's algorithm gauges the relevance of information by analyzing factors like keyword frequency and the quality of the webpage.
• Dependable information usually originates from credible sources like educational institutions, government entities, or established industry websites.

Evaluating Information Found on the Internet

• The internet presents a plethora of data, yet not all of it is precise or dependable.
• To evaluate information reliability, examine the reputation and trustworthiness of the source.
• Confirm the validity of information by cross-referencing it with other reputable sources.
• Be attentive to potential biases in the information, seeking out viewpoints that may favor a specific stance.
• Verify the timeliness of the information, as outdated data can lead to misconceptions.