📘 SESSION 1 – ROLE OF ICT IN OUR LIVES
ICT = Information & Communication Technology
➡️ Technology used to handle information — access, create, store, share.
⭐ How We Use Information
| Use of Information | Examples |
|---|---|
| Accessing | Google search, websites, mobiles |
| Creating | Cameras, scanners, typing on computer |
| Sharing | WhatsApp, emails, video calls |
| Storing | Hard disks, pen drives, cloud storage |
⭐ 1. ROLE OF ICT IN PERSONAL LIFE
🔹 Online Financial Services
- Mobile banking & internet banking
- No need to stand in queue
- Instant fund transfer
- Real-time balance updates
- Loan, insurance & schemes available online
🔹 Communication
- Messaging, video call, email become instant
- World feels smaller due to fast communication
- Sharing documents becomes very easy
🔹 Health Care
- Online doctor consultation
- Medical equipment supported by computers
- Online diagnostic reports
- Personal health apps
🔹 Education
- Online classes
- Digital books
- Learning apps
- Smart classes, quizzes, simulations
🔹 Entertainment
- Online games, OTT, YouTube, music, sports
🔹 Social Media
- Facebook, Instagram, WhatsApp, YouTube
- Share ideas, achievements, photos, videos
- New careers created — blogging, vlogging, photo/video editing, etc.
🔹 G2C Services (Government to Citizens)
- All govt. services online
- Portals like india.gov.in
- RTI info, exams, taxes, recruitment
⭐ 2. ROLE OF ICT IN INDUSTRIES & BUSINESS
🔹 Banking
- Entire banking system runs on computers
- Safe money transfer, customer details storage
🔹 Businesses
- Billing, stock checking, online selling
- AI & Big Data improving decision-making
🔹 Medical Science
- Diagnosis, research, surgeries
- Automated patient care
🔹 Education & Training
- Digital content, training, online assessments
🔹 Media
- Video shooting, editing, animation, sound mixing
🔹 Travel & Ticketing
- IRCTC, cab booking, hotel booking
🔹 Research
- Access to worldwide information
- Data storage, analysis, sharing
🔹 Defense
- Encryption, satellite communication
- Radars, remote weapons, cybersecurity
📘 SESSION 2 – COMPUTER SYSTEM
A computer = electronic machine that processes data → information.
⭐ Main Components of a Computer System
- Input Unit
- Central Processing Unit (CPU)
- Memory Unit
- Output Unit
⭐ 1. INPUT UNIT
Devices used to enter data:
🔹 Keyboard
- Standard input device
- QWERTY layout
🔹 Mouse
- Pointing device
- Left click → select
- Double click → open
- Right click → menu
- Scroll wheel → scroll
⭐ 2. CPU (Central Processing Unit)
The brain of the computer
Parts of CPU
- ALU (Arithmetic Logic Unit)
- Addition, subtraction, multiplication, division
- Logic operations (compare values)
- CU (Control Unit)
- Controls all activities
- Sends instructions to hardware
- Manages execution of programs
Functions of CPU
- Fetch, decode, execute instructions
- Controls operations
- Stores & retrieves data from memory
⭐ 3. MEMORY UNIT
Primary Memory (Directly used by CPU)
| Type | Meaning | Nature |
|---|---|---|
| RAM | Working memory | Volatile (erased when power off) |
| ROM | Startup instructions (booting) | Non-volatile |
Secondary Memory (Permanent storage)
- Hard Disk
- Pen Drive
- DVD
- Blu-ray
- External Hard Drive
⭐ 4. OUTPUT UNIT
Shows result after processing
Examples: Monitor, Printer, Speakers, Webcam (video output)
⭐ Peripheral Devices
Extra devices that extend functionality:
Printers, scanners, speakers, plotters, joystick, webcam, USB adapters, card readers, etc.
📘 SESSION 3 – BASIC COMPUTER OPERATIONS
⭐ How to Start a Computer
- Switch on UPS
- Press CPU power button
- Switch on monitor
- POST test runs
- OS loads → Desktop appears
⭐ How to Shut Down
Start → Shutdown → Switch off monitor → UPS
⭐ Operating System (OS)
Examples: Windows, MacOS, Linux, Android, iOS
Functions
- Hardware management
- Software management
- File & storage management
- User interface (GUI)
⭐ Types of OS
- Single-user OS: DOS
- Multi-user OS: Windows 7, Linux
- Command Line OS: DOS, Unix
- GUI OS: Windows, Android
- Mobile OS: iOS, Android
⭐ Graphical User Interface (GUI)
Components:
- Desktop
- Icons
- Taskbar
- Start Menu
📘 SESSION 4 – FILE & FOLDER OPERATIONS
⭐ What is a File?
- Collection of data
- Has:
- Primary name (given by user)
- Extension (.doc, .jpg, .ppt, .mp3)
⭐ What is a Folder?
- Container for files
- Can contain sub-folders
⭐ Basic Operations
✔ Creating Folder
Right Click → New → Folder → Name it
Shortcut: Ctrl + Shift + N
✔ Renaming
Right Click → Rename OR Press F2
✔ Deleting
Right Click → Delete OR Press Delete key
Files go to Recycle Bin
✔ Copying
Right Click → Copy → Paste
Shortcut: Ctrl + C → Ctrl + V
✔ Moving
Right Click → Cut → Paste
Shortcut: Ctrl + X → Ctrl + V
✔ Selecting Multiple Files
- Consecutive → Shift + Arrow Keys
- Non-consecutive → Hold CTRL + Click files
📘 SESSION 5 – INTERNET & ITS APPLICATIONS
⭐ Important Terms
| Term | Meaning |
|---|---|
| Internet | Largest network of networks |
| WWW | Collection of websites |
| Website | Group of web pages |
| Webpage | A single page on a site |
| Homepage | First page of a website |
| URL | Web address (e.g., www.google.com) |
| Hyperlink | Clickable text/image linking pages |
| Browser | Software to open websites |
⭐ Internet Services
🔹 Chatting
Real-time text communication
🔹 Video Conferencing
Live video communication
🔹 E-Learning
Online education
🔹 E-Shopping
Amazon, Flipkart
🔹 E-Reservation
Ticket booking (flight, train, bus)
🔹 Blogs
Personal websites to share ideas
Advantages
- Fast
- Low cost
- Send attachments (files)
Steps to Compose Email
- Click Compose
- Enter To, CC, BCC
- Write Subject
- Type message
- Attach files (optional)
- Click Send
⭐ Cyber Crimes
| Type | Meaning |
|---|---|
| Spamming | Unwanted messages |
| Hacking | Unauthorized access |
| Phishing | Fake website to steal info |
| Pharming | Redirecting to fake websites |
| Cyber Stalking | Repeated online harassment |
| Cyber Bullying | Threatening/humiliating someone online |
| Cyber Addiction | Excessive use of internet |
📘 SESSION 6 – SOCIAL MEDIA PLATFORMS
⭐ Blog
- Online article-based website
- Blogger publishes posts
- Readers comment
- Platforms: Blogger, WordPress, Tumblr
Features:
- Free profile
- Wall, pages, events
- Photo albums
- News feed
- Strong privacy settings
⭐ YouTube
- Video sharing site
- Create channel
- Upload, edit, restrict videos
- Create playlists
- Trending videos
⭐ Twitter/X
- Posts called Tweets (280 characters)
- Retweeting
- Hashtags (#)
- Twitter handle (@username)
- Timeline / Feed
- Free messaging
- Voice/video calls
- Groups
- Blue ticks = message seen
- Requires mobile number
⭐ Digital India Campaign
Launched: 2015
Objectives
- Digital literacy
- Online delivery of govt. services
- High-speed internet in villages
Major Services
- DigiLocker
- e-Hospital
- UMANG app
- e-Education
- e-Sign
- Swachh Bharat app
- Aadhaar-based services
✅ STUDY MATERIAL COMPLETED
If you want, I can also provide:
✔ MCQs (100+)
✔ Very Short / Short / Long Questions
✔ Summary Notes
✔ Flowcharts & diagrams
✔ PDF format
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