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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Computer Devices Used in Windows System</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f5f5f5;
margin: 10px;
padding: 10px;
}
h1 {
font-size: 24px;
color: blue;
text-align: center;
}
h2 {
color: #120d5a;
font-size: 22px;
margin-top: 15px;
}
h3 {
color: #024727;
font-size: 20px;
}
p {
color: red;
font-size: 16px;
line-height: 1.5;
}
.image-container img {
max-width: 100%; /* Ensures images don't exceed container width */
height: auto; /* Maintains original aspect ratio */
border: 2px solid red;
border-radius: 10px;
}
.image-container img {
width: 100%;
max-width: 300px;
height: auto;
border: 2px solid red;
border-radius: 10px;
}
.box {
border: 1px solid transparent;
height: 80px;
width: 80%;
max-width: 300px;
margin: 20px auto;
background-color: lightgray;
}
/* Responsive Styles */
@media (max-width: 768px) {
h1 {
font-size: 22px;
}
h2 {
font-size: 20px;
}
h3 {
font-size: 18px;
}
p {
font-size: 14px;
}
.image-container img {
max-width: 250px;
}
}
@media (max-width: 480px) {
h1 {
font-size: 20px;
}
h2 {
font-size: 18px;
}
h3 {
font-size: 16px;
}
p {
font-size: 12px;
}
.image-container img {
max-width: 200px;
}
}
</style>
</head>
<body>
<h1>Computer Devices We Can Use to Operate the Windows System</h1>
<h2>Input Unit</h2>
<p>The input unit allows users to enter data into the computer.</p>
<p>Examples: Keyboard, Mouse, Joystick, OMR, OCR</p>
<div class="image-container">
<img src="Keyboard.jpeg" alt="Keyboard">
</div>
<h2>Keyboard</h2>
<p>The keyboard is an input device that allows users to enter data into the computer.</p>
<p>There are three types of keys present on a standard 106-key keyboard:</p>
<ul>
<li>Special Keys</li>
<li>Functional Keys</li>
<li>Typewriter Keys</li>
</ul>
<h3>1. Special Keys</h3>
<div class="image-container">
<img src="spical.jpg" alt="Special Keys">
</div>
<p>Special keys include symbols and navigation buttons like Home, Enter, End, Page Up, and Page Down.</p>
<h3>2. Functional Keys</h3>
<div class="image-container">
<img src="Function-Keys.png" alt="Function Keys">
</div>
<p>Functional keys (F1-F12) are located at the top of the keyboard and serve different functions.</p>
<h3>3. Typewriter Keys</h3>
<div class="image-container">
<img src="0-9s.jpeg" alt="Number Keys">
<img src="a-zjpeg.jpeg" alt="Alphabet Keys">
</div>
<p>The typewriter keys include alphabets (A-Z) and numbers (0-9).</p>
<h2>Mouse</h2>
<p>The mouse is another input device that allows users to interact with the computer.</p>
<p>Types of Mice:</p>
<div class="image-container">
<div>
<p>1. Optical Mouse</p>
<img src="optical.jpeg" alt="Optical Mouse">
</div>
<div>
<p>2. Serial Mouse</p>
<img src="serial.jpeg" alt="Serial Mouse">
</div>
<div>
<p>3. PS/2 Mouse</p>
<img src="ps.jpeg" alt="PS/2 Mouse">
</div>
<div>
<p>4. Cordless Mouse</p>
<img src="Opticalmouse.jpeg" alt="Cordless Mouse">
</div>
<div>
<p>5. USB Mouse</p>
<img src="Usbmouse.jpeg" alt="USB Mouse">
</div>
</div>
<div class="box"></div>
</body>
</html>