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Questions and Answers

What is the purpose of the id attribute in HTML?

  • To define a list of hyperlinks
  • To specify the style of an HTML element
  • To include external resources in HTML
  • To create a unique identifier for an HTML element (correct)

    • Which tag is used to start an unordered list in HTML?

  • <list>
  • <item>
  • <ol>
  • <ul> (correct)

    • What type of list is marked with bullets by default?

  • Ordered list
  • Nested list
  • Definition list
  • Unordered list (correct)

    • What does the

    tag define in HTML?

    <p>A description list</p> Signup and view all the answers

    What is the default marker for items in an ordered list?

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

    Which tag is used to define a row in an HTML table?

    <tr> Signup and view all the answers

    Which of the following describes a description term in a description list?

    <dt> Signup and view all the answers

    To create a link to a bookmark on the same page, what should be used?

    <p><a href='#bookmarkID'>Link Text</a></p> Signup and view all the answers

    What does the src attribute specify for an image?

    <p>The location of the image file</p> Signup and view all the answers

    Why is it important to specify the size of an image using width and height attributes?

    <p>To allow the browser to render space while loading</p> Signup and view all the answers

    What is the purpose of the alt attribute in images?

    <p>To provide alternate text for accessibility</p> Signup and view all the answers

    How can you create a hyperlink in HTML?

    <p>Using the <a> tag</p> Signup and view all the answers

    What does the href attribute in a hyperlink specify?

    <p>The destination of the link</p> Signup and view all the answers

    Which attribute allows a link to open in a new window or tab?

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

    What is a good practice regarding image file organization for a website?

    <p>Creating a dedicated folder for images</p> Signup and view all the answers

    How can multiple images be associated with the same caption in HTML5?

    <p>Using a <figure> element</p> Signup and view all the answers

    What is the purpose of an attribute in an HTML element?

    <p>To provide additional information about an element</p> Signup and view all the answers

    Which of the following is a correct syntax for specifying an attribute in HTML?

    <p>name=&quot;value&quot;</p> Signup and view all the answers

    What does the lang attribute in HTML indicate?

    <p>The language of the element's content</p> Signup and view all the answers

    When using the img element in HTML to include an image, which statement is true?

    <p>The img tag only contains attributes and no content.</p> Signup and view all the answers

    Why is it necessary to use quotations in attribute values?

    <p>To avoid syntax errors in the HTML code</p> Signup and view all the answers

    Which of the following correctly describes the attributes of HTML elements?

    <p>Attributes can include both text and numeric values.</p> Signup and view all the answers

    What is the primary role of the web server in context to HTML content?

    <p>To store and manage HTML files</p> Signup and view all the answers

    What is a characteristic feature of the img element in HTML?

    <p>It requires a URL for the image source.</p> Signup and view all the answers

    Study Notes

    Introduction to Web Programming

    • This lecture introduces HTML5, focusing on images, hyperlinks, lists, and tables.
    • The lecture outlines the following topics: element attributes, HTML elements-images, HTML elements-hyperlinks, HTML elements-lists, and HTML elements-tables.
    • The previous week's topics covered what HTML is, why it's used, its general structure, and covered HTML elements.

    The Internet

    • Web pages contain HTML code displayed by browsers.
    • HTML describes formatting and content of a web page.
    • HTML files are stored on a web server.
    • Web browsers and devices interpret the HTML to display a webpage.
    • Users interact with web pages through browsers on different devices.

    Web Server

    • A web server stores HTML, and other files accessible through the internet.
    • The web server retrieves documents from its files in response to a web browser's request.
    • The web server transmits requested documents to the web browser.

    Browser

    • A browser displays webpages created using HTML.
    • The browser receives HTML documents requested from a given URL from a webserver.
    • The browser interprets the HTML to render the page for the user.

    HTML Attributes

    • HTML elements can have attributes that provide supplemental information.
    • Attributes are specified in the start tag.
    • Attributes come in name/value pairs (e.g., name="value").
    • Use lowercase and quote attribute values for best practice.

    Example Attributes

    • The lang attribute: specifies the language of an element's content (e.g., ).
    • The title attribute: provides extra information about an element as a tooltip.
    • Using quotes in attribute values is crucial; omitting them can cause errors.

    HTML Elements - Images

    • HTML documents can also include images, animations, graphics, audios, videos.
    • The <img> tag includes images into a web document.
      • The <img> tag is empty, containing attributes only without a closing tag.
    • The src attribute specifies the image file location.
    • The alt attribute describes the image (in case of display failure). It's crucial for accessibility & SEO.
    • Size attributes (width and height): Specify image dimensions in pixels to prevent rendering issues while page loads.

    HTML Elements - Images Example

    • Creating folders dedicated to image files enhances organization.
    • Clear descriptions using the alt attribute improve accessibility.

    HTML Elements - Hyperlinks

    • Hyperlinks allow users to navigate between different web resources (e.g., webpages).
      • Hyperlinks can be on a Text or images.
    • The <a> tag creates hyperlinks.
      • href attribute specifies the destination (i.e., URL).
      • Link text appears on the screen, not necessarily text. Can also be an image or another element.
    • target attribute defines where the link should display (_blank for new tab/window, _top for the existing one).

    HTML Elements - Lists

    • HTML supports three types of lists: unordered (bulleted), ordered (numbered), and description (terms-definition pairs).
    • Unordered lists begin with the <ul> tag. List items are marked with a bullet using <li> tags.
    • Ordered lists begin with <ol>, with items marked with numbers using <li>.
    • Description lists use <dl> (list of definitions). <dt> defines the term, and <dd> describes it.

    HTML Elements - Tables

    • Tables are structured with , (rows), and
      (cells).
      		• elements can contain various data (text, links, images, lists, other tables).
    • Tables are clearer for presenting data in a structured format; rows and columns.
    • A border attribute is optional for adding a border around the table.

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