Q1_Web Systems

Which technology is responsible for the structure of a webpage?

• CSS
• HTML
• JavaScript
• HTTP

Answer explanation

HTML defines the structure of a webpage.

In the house analogy for web development, JavaScript is compared to:

• The walls and roof
• The paint and furniture
• The electricity and plumbing
• The foundation

Answer explanation

JavaScript is like the electricity and plumbing—it makes things work and respond.

Which HTML tag is used to create a hyperlink?

• <link>
• <a>
• <p>
• <h1>

Answer explanation

<a> tag defines a hyperlink.

Which CSS selector is used to style a single, unique element on a page?

• Class selector
• Element selector
• ID selector
• Universal selector

Answer explanation

The ID selector targets one unique element using #idname.

What is the correct syntax for selecting all <p> elements in CSS?

• p[] {}
• p: {}
• p {}
• .p {}

Answer explanation

p {} selects all paragraph elements.

Which JavaScript function is used to find an element by its ID?

• findById()
• querySelector()
• getElementById()
• getById()

Answer explanation

getElementById() is used to find an element by its ID.

Which part of the box model comes directly after content?

• Border
• Margin
• Padding
• Outline

Answer explanation

Padding is the space between content and border.

Which HTML tag is used to insert an image?

• <image>
• <img>
• <src>
• <pic>

Answer explanation

<img> is the correct tag to insert an image.

What does CSS stand for?

• Cascading Style Sheets
• Computer Style System
• Creative Styling Syntax
• Color Styling System

Answer explanation

CSS stands for Cascading Style Sheets.

Which JavaScript action changes the text of an element with the ID 'demo'?

• document.demo = 'Text';
• document.getElementById("demo").innerText = "Text";
• getElementById("demo").value = "Text";
• demo.innerHTML = "Text";

Answer explanation

document.getElementById("demo").innerText = "Text"; changes the text content.