Looking for comprehensive PGDCA (Post Graduate Diploma in Computer Applications) notes on Search Engines for the 2026–27 academic session? Access complete theory explanations, short notes, long analytical answers, objective MCQs, and exam-oriented solutions covering search engine architecture, web crawlers (spiders/bots), indexing mechanisms, ranking algorithms, search query optimization, meta tags, meta search engines, and basic SEO concepts tailored for university diploma exams.
Search Engines
While web browsers open web pages, search engines help you discover where those web pages are located.
Definition for Exam:
A Search Engine is a specialized web application that searches a massive database of web content to return relevant web pages matching a user’s query keywords.
How a Search Engine Works (3 Steps):
- Crawling: Automated software programs called bots or spiders scan the web for new and updated web pages.
- Indexing: Collected web page data is categorized, sorted, and saved in a central database.
- Ranking & Retrieval: An algorithm evaluates indexed pages and displays the most relevant results when a user enters keywords.
- Popular Examples: Google, Bing, DuckDuckGo, Yahoo.
PGDCA Search Engines Notes
2-Mark Questions
Q1. What is a Search Engine? Give two examples.
Answer: A Search Engine is a web-based service designed to search a database of web content and retrieve relevant web pages matching user-entered keywords.
Examples: Google, Bing.
Q2. Differentiate between a Web Browser and a Search Engine.
Answer: A Web Browser is a software application installed on a device to open and view web pages. A Search Engine is a website/service accessed inside a browser to find information across the web.
PGDCA Search Engine Architecture Important Questions 2026-27
3-Mark Questions
Q3. Explain the three main steps of how a Search Engine works.
Answer:
- Crawling: Automated programs called bots or spiders scan the Internet to discover new and updated web pages.
- Indexing: Gathered web content (text, keywords, links) is organized, categorized, and stored in a massive database.
- Ranking & Retrieval: Algorithms process user queries against the index and rank results based on relevancy, authority, and quality.
Search Engines PGDCA Syllabus Question Answer
🔍 PGDCA Exam Preparation Notice: This page provides curated PGDCA (Post Graduate Diploma in Computer Applications) Search Engines Study Material & Solutions updated for the 2026–27 academic session. This complete guide features search engine architecture diagrams, crawler and indexing workflows, Boolean search operators, meta search engine breakdowns, and high-yield exam questions designed to help you secure top marks in your semester examinations.
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