HTML5, Databases, and SDLC Overview
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HTML5, Databases, and SDLC Overview

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Questions and Answers

How will this HTML5 code display: 'Welcome to India.Athithi Devo Bhava.'?

  • As a header with large bold text
  • As a paragraph (correct)
  • As a footer
  • As a navigation bar

    • Which element is best suited for self-contained content with a caption in HTML5?

  • <header>
  • <footer>
  • <figcaption> (correct)
  • <section>

    • What error exists in the provided HTML5 audio tag?

  • Incorrect MIME type for the .ogg file
  • Missing src attribute in the <audio> tag
  • No error
  • The controls attribute should be outside the <audio> tag (correct)

    • What is the primary distinction between IPv4 and IPv6?

    <p>IPv6 uses longer alphanumeric addresses</p> Signup and view all the answers

    Which of the following is the default character encoding in HTML5?

    <p>UTF-8</p> Signup and view all the answers

    How should the SQL query be structured to sort salaries from highest to lowest and names alphabetically?

    <p>ORDER BY salary Desc, name Asc;</p> Signup and view all the answers

    Which option is primarily used for creating the structure of relations in a database?

    <p>DDL (Data Definition Language)</p> Signup and view all the answers

    In the context of web development, which element would you use to create a navigation bar?

    <nav> Signup and view all the answers

    What is the major advantage of using the Incremental Model?

    <p>Customer can respond to each increment</p> Signup and view all the answers

    Who originally proposed the Spiral Model?

    <p>Barry Boehm</p> Signup and view all the answers

    Which class in Bootstrap is used to create a dropdown menu?

    <p>.dropdown</p> Signup and view all the answers

    How many SDLC models are recognized commonly?

    <p>4</p> Signup and view all the answers

    SDLC stands for which of the following?

    <p>Software Development Life Cycle</p> Signup and view all the answers

    Which Bootstrap class is used to create a big box for calling extra attention?

    <p>.jumbotron</p> Signup and view all the answers

    What is a common characteristic of the Agile methodology?

    <p>Iterative and incremental delivery</p> Signup and view all the answers

    Which of the following is NOT a model of SDLC?

    <p>Cyclic</p> Signup and view all the answers

    What does the 'box-sizing' property change in CSS?

    <p>Changes the CSS Box Model calculation</p> Signup and view all the answers

    Which statement is accurate about the CSS selector 'div.example'?

    <p>Selects all divs with the class 'example'</p> Signup and view all the answers

    How do you correctly access a property value in a JavaScript object?

    <p>Both C and D</p> Signup and view all the answers

    What is the definition of a method in JavaScript?

    <p>A function stored as an object property</p> Signup and view all the answers

    What will be the output of the following code snippet: 'let arr = [1, 2, 3]; arr = 5; console.log(arr.filter(x => x === undefined).length);'

    <p>0</p> Signup and view all the answers

    What is an issue with declaring an array as 'let numbers = new Array(-5);'?

    <p>Negative size</p> Signup and view all the answers

    Which option does NOT properly identify types of functions in JavaScript?

    <p>Object method</p> Signup and view all the answers

    Which of the following correctly describes JavaScript object properties?

    <p>They can be defined using key-value pairs</p> Signup and view all the answers

    What is the primary purpose of responsive web design?

    <p>To make websites work well on different devices</p> Signup and view all the answers

    If the background image is smaller than the screen, what will happen?

    <p>It will be repeated</p> Signup and view all the answers

    What does a CSS media query primarily allow you to control?

    <p>Control the display of content based on screen size</p> Signup and view all the answers

    What role does the viewport tag have in responsive design?

    <p>To set the width of the viewport to match the device's width</p> Signup and view all the answers

    What is the purpose of using alt text in HTML images?

    <p>To provide a text description for screen readers</p> Signup and view all the answers

    What happens when a website's design does not adapt to screen size?

    <p>It may display incorrectly on some devices</p> Signup and view all the answers

    How can responsive design affect user experience?

    <p>By enhancing site accessibility for all users</p> Signup and view all the answers

    Why is it important to load different images on different devices in responsive design?

    <p>To enhance image quality on high-resolution screens</p> Signup and view all the answers

    What does SQL stand for?

    <p>Structured query language</p> Signup and view all the answers

    Which command is used to restore the database to the last committed state?

    <p>Savepoint</p> Signup and view all the answers

    What does the term 'Data Independence' refer to?

    <p>Programs must be redesigned for changes in data structure</p> Signup and view all the answers

    Which of the following commands is used to delete a relation from the SQL database?

    <p>Drop</p> Signup and view all the answers

    What does the term 'ODBC' stand for?

    <p>Open database connectivity</p> Signup and view all the answers

    What is the full form of DFD?

    <p>Data flow diagram</p> Signup and view all the answers

    Which of the following is used in application programs to request data from the database management system?

    <p>Data Manipulation Language</p> Signup and view all the answers

    Which component does a database management system primarily consist of?

    <p>Programs</p> Signup and view all the answers

    Study Notes

    HTML5

    • The <h1>...</h1> tags display text as a header with large, bold text.
    • The <figure> and <figcaption> elements define self-contained content with a caption.
    • The controls attribute for the <audio> element is placed outside the tag.
    • The default character encoding in HTML5 is UTF-8.

    Databases

    • DDL (Data Definition Language) is used to define the structure of relations, delete relations, and perform tasks like creating relations.
    • The ORDER BY clause in a SQL query can be used to sort the data by multiple columns: column name ASC (ascending) and column name DESC (descending).

    Software Development Life Cycle (SDLC)

    • There are four SDLC models:
      • Waterfall
      • Agile
      • Incremental
      • Spiral
    • The Spiral model was originally proposed by Barry Boehm.
    • The Incremental model allows for early product release and customer feedback on each increment.
    • The primary advantage of using the Incremental model is the ability to get a product to market early.

    Bootstrap

    • .jumbotron is a Bootstrap class used to create a big box for calling extra attention.
    • The .dropdown class is used to create a dropdown menu.
    • There are 12 columns allowed in a Bootstrap grid.

    CSS

    • The box-sizing property adjusts the border thickness and changes the CSS box model calculation.
    • The CSS selector div.example selects all div elements that have the class "example".

    JavaScript

    • let numbers = 11; assigns the number 11 to the variable numbers.
    • A JavaScript method is a function stored as an object property.
    • The filter method can be used to iterate over an array and return a new array that contains only elements that meet a specified condition.

    Responsive Web Design

    • The primary purpose of responsive web design is to make websites work well on different devices.
    • The <meta name="viewport" content="width=device-width, initial-scale=1.0"> tag is used to set the width of the viewport to match the device's width, which is essential for responsive design.
    • CSS media queries allow different stylesheets to be applied based on screen size or device.
    • When a background image is smaller than the screen, it will be repeated.

    Images

    • The alt attribute in an HTML image tag provides a text description for screen readers and search engines.

    SQL

    • The DROP command is used to remove (or delete) a relation from a SQL database.
    • The ROLLBACK command restores the database to the last committed state.
    • The database management system is a collection of programs that enables the creation and maintenance of a database.

    Database Concepts

    • ODBC stands for Open Database Connectivity.
    • Data independence means that programs are not dependent on the physical or logical attributes of the data.
    • Data Manipulation Language (DML) is used in application programs to request data from the database management system.

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    Description

    This quiz encompasses key concepts from HTML5, databases, and the Software Development Life Cycle (SDLC). Test your knowledge on HTML elements, SQL clause functionalities, and different SDLC models. Perfect for anyone looking to strengthen their understanding of these essential topics!

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