Questions
2 questions per paper
Difficulty
Easy
Importance
High yield for SSC CGL and Banking exams
Overview
Internet and WWW form the backbone of the Computer Awareness section in SSC and Banking exams. Understanding these protocols and navigation tools is essential as they frequently appear in static general awareness papers. The core concept revolves around the client-server architecture and the communication protocols that facilitate global data transfer.
Browsers & Search Engines
A web browser is the application software used to access the WWW, while a search engine is a web service that locates information based on keywords. Distinguishing between these two is a common exam favorite.
- Browsers: Chrome, Firefox, Safari, Edge, Opera
- Search Engines: Google, Bing, DuckDuckGo, Baidu
- Mosaic was the first popular graphical web browser
- Browsers act as the client side of the WWW
URL & Websites
A Uniform Resource Locator (URL) serves as the specific address for resources on the internet. It includes the protocol, domain name, and path, acting as the fundamental navigation system for every webpage.
- Format: Protocol://Domain/Path
- TLDs: .com, .org, .edu, .gov, .in
- DNS converts domain names to IP addresses
- HTTP vs HTTPS (HTTPS includes SSL/TLS encryption)
HTTP & FTP Basics
These are standardized communication protocols that govern how data is transferred over the internet. Students must memorize their default port numbers as they are common static-GK questions.
- HTTP (Hypertext Transfer Protocol): Port 80
- HTTPS: Port 443
- FTP (File Transfer Protocol): Port 21
- SMTP (Simple Mail Transfer Protocol): Port 25
Web Services & Blogs
This subtopic focuses on specialized online platforms and communication tools. Identifying the purpose of these services like E-commerce or Weblogs is frequently tested.
- WWW developed by Tim Berners-Lee in 1989
- Blog: A platform for chronological content entries
- Wiki: Website allowing collaborative editing
- VoIP: Voice transmission over IP networks
Exam Tip
Focus on memorizing the default port numbers for common protocols (HTTP/FTP/SMTP) as these are direct one-mark questions in most SSC and banking papers.
Common Mistakes
- Confusing a web browser (client software) with a search engine (web service).
- Failing to distinguish between HTTP and HTTPS regarding security and port numbers.
- Assuming the Internet and WWW are the same; remembering the Internet is the hardware network while WWW is the information space.
More Revision Notes
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