Unit 1: Web Basics, HTML5, CSS3 & Client-Side JavaScript

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Web Basics, HTML5, CSS3 & Client-Side JavaScript

Official MJPRU BCA Unit 1: Web Basics, HTML5, CSS3 & Client-Side JavaScript for BCA-303N (Web Technologies).

Syllabus Topics:Internet and World Wide Web Architecture: Client-Server Model, Web Browsers, Web Servers & URL AnatomyHTTP/HTTPS Protocol: Request-Response Lifecycle, Methods (GET, POST, PUT, DELETE, HEAD), Status Codes (200, 301, 404, 500)MIME Types & Content Negotiation: Media Types (text/html, application/json, multipart/form-data), Web Programmers ToolboxHTML Document Structure & Semantic Tags: <!DOCTYPE html>, <html>, <head>, <meta>, <header>, <nav>, <section>, <article>, <footer>HTML Form Elements & Layout Controls: Lists (<ol>, <ul>, <dl>), Tables (<thead>, <tbody>, rowspan, colspan), Forms (<input>, <select>, <textarea>)Cascading Style Sheets (CSS): Syntax, Selectors (Element, Class, ID, Pseudo-classes), Specificity HierarchyCSS Integration Paradigms: Inline Styles, Internal Stylesheets (<style>), External Stylesheets (<link rel='stylesheet'>)CSS Box Model: Content, Padding, Border, Margin, box-sizing Property, Flexbox & CSS Grid BasicsJavaScript Fundamentals: Variables (var, let, const), Data Types, Operators, Type Coercion, Control Flow ConstructsJavaScript Functions & Scope: Function Declarations, Function Expressions, Arrow Functions, Lexical Scope, ClosuresDOM Manipulation & Event Handling: Document Object Model, getElementById, querySelector, Event Listeners (onclick, onsubmit, onchange)Client-Side Form Validation: Regular Expressions (Regex), Real-Time Field Feedback, preventDefault() & Sanitization

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Introduction to Computers & The IPO Cycle

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Topic 1 · The foundation of modern computing

Introduction to Computers & The IPO Cycle

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Ready to master this concept? Give it a quick read & tap the check!

💡 The Big Picture:A computer is an electronic system that takes raw data as Input, processes it under programmed logic, and produces meaningful Information as Output.

🍪 Everyday Analogy:Think of baking cookies: Flour & Sugar (Input) ➔ The Oven (Processing) ➔ Warm Delicious Cookie (Output)! 🍪

Key Exam Takeaways

·Data = Raw, unprocessed facts without context (e.g. 42, 'apple').
·Information = Structured data with meaning (e.g. 'Temperature: 42°C').
·Hardware is what you can touch; Software is the instructions running inside.

Instant Knowledge Check

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Which of the following represents unprocessed raw facts?

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