class 9 information technology full syllabus in one shot pt 3
INFORMATION TECHNOLOGY
Full syllabus in one shot IT for PT3 exam
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Chapter1
INTERNET BASICS
Definition of Internet
The Internet is a global network of interconnected computers that communicate and share information.
Components of the Internet:
Web pages:
Documents on the World Wide Web (www) containing text, images, videos, etc.
Web Browser: Software to access and view web pages (e.g., Chrome, Firefox).
URL (Uniform Resource Locator): Web address specifying the location of a resource on the Internet.
Internet Services:
Email:
Electronic mail for sending and receiving messages.
WWW (World Wide Web): Platform for accessing information through web pages.
Search Engines: Tools like Google to find information on the Internet.
Internet protocol
HTTP(hyper text transfer protocol):
Protocol for transferring web pages.
FTP(File transfer protocol):
Protocol for transferring files over the Internet.
Safety and Security:
Passwords :
Use strong, unique passwords for online accounts.
Antivirus Software: Protect your computer from malware and viruses.
Cyber engine:
Be cautious about sharing personal information online.
Common Internet Terms:
Download:
Transfer files from the Internet to your device.
Upload: Transfer files from your device to the Internet.
Bandwith:
The amount of data that can be transmitted in a fixed amount of time.
Social media awareness:
Be mindful of privacy settings on social media platforms.
Avoid sharing sensitive personal information online.
E-commerce:
Online buying and selling of goods and services.
Use secure payment methods for online transactions.
Netiquette (Internet Etiquette):
Follow polite and respectful behavior when interacting online.
Be cautious of online scams and phishing attempts.
Internet Connectivity:
Different methods like broadband, Wi-Fi, and mobile data for connecting to the Internet.
Chapter 2
Basic of computer
Definition of a Computer:
Definition of a Computer:
A computer is an electronic device that processes data and performs tasks according to a set of instructions called a program.
Components of computer
Central processing unit(CPU) :
The brain of the computer that performs calculations and executes instructions.
Memory (Ram):
Temporary storage for data and programs actively being used.
Storage(harddrive, SSD) :
Long-term storage for files and programs.
Input devices:
Hardware like keyboard and mouse for providing input to the computer.
Output Devices: Hardware like monitor and printer for displaying and producing results.
Software
System software:
Manages hardware and provides essential services (e.g., operating systems).
Application Software: Programs designed to perform specific tasks (e.g., word processors, web browsers).
Operating System:
Software that manages computer hardware and provides services for computer programs.
Programming language
High level languages:
Easier for humans to understand and write (e.g., Python, Java).
Low level languages
Closer to machine language (e.g., Assembly).
Data: Raw facts and figures.
Information :
Processed and organized data that has meaning.
Computer Networks:
LAN(Local area network ) :
Connects computers in a small geographic area.
WAN(Wide area network) :
Connects computers over a larger distance, often using the Internet.
Internet and World Wide Web (www)
Internet:
Global network connecting computers worldwide.
WWW:
Collection of interconnected documents and resources on the Internet.
CYBERSECURITY :
Measures to protect computer systems from unauthorized access and attacks.
Computer ethics
Guidelines for responsible and ethical computer use, including respecting others' privacy and intellectual property.
Chapter3:
Basics of HTML:
Definition of HTML:
HTML is the standard markup language used to create and design web pages. It structures content on the web using tags.
HTML BASIC STRUCTURE
<!DOCTYPE html>
<html>
<head>
<title>Your Title</title>
</head>
<body>
<!-- Content goes here -->
</body>
</html>
HTML Tags:
TAGS are used to define elements on a web page.
Example of a paragraph tag: <p>Your text here</p>
Text formaring:
<strong>: Bold text
<em> : Italic text
<u>: Underlined text
Headings:
HTML has six levels of headings, <h1> to <h6>. <h1> is the largest and <h6> is the smallest.
Lists:
<ul>: Unordered list
<ol>: Ordered list
<li>: List item
Links:
<a href="URL">Link Text</a>: Creates hyperlinks to other web pages.
Images
<img src="image.jpg" alt="Description">: Embeds images into a web page.
Tables
<table>: Defines a table
<tr>: Defines a row
<td>: Defines a cell
<th>: Defines a header cell
FORMS:
<form>: Creates an HTML form to collect user input.
<input type="text">: Text input field.
<input type="submit">: Submit button.
Comments
<!-- Your comment here -->: Comments in HTML are not displayed on the web page but can be useful for documentation.
Attributes:
HTML tags can have attributes that provide additional information.
Example: <a href="https://examle.com" target="_blank">Link</a> opens the link in a new tab.
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