Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
11
Who were the founders responsible for the creation of the Yahoo! web portal?
Answer:
David Filo and Jerry Yang
David Filo and Jerry Yang founded Yahoo! in January 1994 while they were graduate students at Stanford University. Originally titled 'Jerry and David's Guide to the World Wide Web,' it quickly grew into one of the most significant web portals and search engines during the early internet era.
12
Which of the following is currently recognized as the most widely utilized internet search engine globally?
Answer:
Google
Google is widely recognized as the dominant search engine globally, processing the vast majority of internet search queries. Its sophisticated algorithms and massive index of web pages allow it to provide highly relevant results to users, maintaining its position as the primary tool for information retrieval on the internet compared to competitors like Yahoo or MSN.
13
On what specific date was the company Google officially founded?
Answer:
Sept 4, 1998
Google was incorporated as a company on September 4, 1998, by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University. The company was initially based in a garage in Menlo Park, California. This date marks the official beginning of the entity that would eventually revolutionize internet search and digital advertising globally.
14
Which of the following is widely considered the most popular and largest search engine on the internet?
Answer:
Google
Google is the most widely used and largest search engine on the internet. It processes billions of search queries daily, utilizing complex algorithms to index and rank web pages, providing users with highly relevant information based on their search terms.
15
What is the specific term for the software used by search engines to crawl and index internet documents?
Answer:
Spider
A spider, also known as a web crawler or bot, is an automated program used by search engines to browse the internet systematically. It follows links from page to page to discover and index content, allowing search engines to provide relevant results when users perform queries.
16
Which of the following options represents the earliest Internet search engine?
Answer:
Archie
Archie is widely considered the first Internet search engine, created in 1990 by Alan Emtage. It was designed to index FTP archives, allowing users to locate specific files across the internet before the World Wide Web became popular. It predates modern search engines like Google and Yahoo by several years.
17
How is Google primarily classified in the context of internet services?
Answer:
Search Engine
Google is a web-based search engine designed to search for information on the World Wide Web. It uses complex algorithms to index and retrieve web pages based on user queries, making it the most widely used tool for finding information online.
18
Which of the following platforms is not classified as a search engine?
Answer:
Facebook.com
While Google, Yahoo, and AltaVista are designed specifically to crawl and index the web to provide search results for user queries, Facebook is primarily a social networking platform. Although Facebook has internal search features, it is not a general-purpose web search engine.
19
What is the term for the automated software programs used by search engines to crawl and index documents across the internet?
Answer:
Spider
A 'spider', also known as a web crawler or bot, is an automated program that systematically browses the World Wide Web. Search engines use these spiders to visit websites, follow links, and collect data to build an index. This index allows the search engine to provide fast and relevant results to users when they perform a search query.
20
Which system maintains a database of webpages to provide information on a wide variety of topics?
Answer:
Search Engines
Search engines are specialized software systems designed to crawl the internet, index content, and maintain a searchable database of webpages. They allow users to retrieve relevant information by entering keywords, making them the primary tool for navigating the vast amount of data on the web.