Introduction to
Computers
Discover what computers are, how they work, and why they matter in everyday life.
What is a Computer?
A computer is an electronic device that accepts data (input), processes it, stores it, and gives back useful results (output).
Keyboard, Mouse
CPU
Monitor, Printer
Types of Computers
Desktop
Sits on a desk. Has separate monitor, keyboard & mouse. Used in offices and homes.
Laptop
Portable, folds open. Battery-powered. All-in-one: screen, keyboard, touchpad.
Tablet
Touchscreen device. Lightweight and easy to carry. Great for reading and browsing.
Server
Powerful computer that stores and shares data with many users over a network.
Parts of a Computer
Input and Output Devices
Devices used to send data to the computer
Devices that show results from the computer
Hardware vs Software
HARDWARE
Physical parts of a computer that you can touch and see
SOFTWARE
Programs and instructions that tell hardware what to do
Uses of Computers in Daily Life
Online learning, digital books, research
Patient records, medical imaging, diagnosis
Online banking, ATMs, transactions
Online stores, billing, inventory
Movies, music, games, social media
Ticket booking, navigation, maps
Manufacturing, design, automation
Email, video calls, messaging
Operating System &
Windows Basics
Learn how Windows 10/11 works and master the essential skills to navigate your computer confidently.
What is an Operating System?
An Operating System (OS) is the most important software on a computer. It manages all hardware and software resources and provides a platform for other programs to run.
Introduction to Windows 10/11
Key Features of Windows 10/11
Desktop, Start Menu & Taskbar
Desktop
- The main screen you see after login
- Contains icons for programs & files
- Right-click to change wallpaper
- Double-click icons to open them
- Can be customized with themes
Start Menu
- Click the Windows button (bottom-left)
- Access ALL installed programs
- Open Control Panel & Settings
- Search for files and programs
- Shut down or restart the PC
Taskbar
- Bar at the bottom of the screen
- Shows currently open programs
- Pin favorite programs here
- System tray: clock, volume, Wi-Fi
- Right-click for taskbar options
Files & Folders
A File is a collection of data stored on a computer (like a document or photo). A Folder is a container that holds files and other folders to keep things organized.
Recycle Bin
Delete a file → Goes to Recycle Bin
Open Recycle Bin → See deleted files
Bring file back to original location
Remove forever — cannot be recovered!
Regional Settings · Calculator · Search
Regional Settings
- Control Panel → Region & Language
- Set date format (DD/MM/YYYY)
- Set time format (12hr / 24hr)
- Choose currency symbol (₹ / $)
- Set language for keyboard
Calculator
- Start → All Programs → Accessories
- Standard — Basic math
- Scientific — Advanced math
- Programmer — Binary/Hex
- Shortcut: Type "calc" in Search
Search
- Click Start → Type in search box
- Find files, folders, programs
- Search inside documents too
- Use Windows key + F to search
- Filter by date, type, size
Essential Keyboard Shortcuts
PC Maintenance Basics
Antivirus
Install and update antivirus software. Scan regularly to remove viruses and malware.
Windows Update
Keep Windows updated. Updates fix security holes and improve performance.
Disk Cleanup
Delete temporary files. Start → Accessories → System Tools → Disk Cleanup.
Disk Defragment
Organizes files on hard disk for faster access. Run monthly for best performance.
Backup Files
Copy important files to USB drive or external hard disk regularly.
Proper Shutdown
Always use Start → Shut Down. Never switch off directly from the power button.
Microsoft
Paint
Create colorful drawings and learn the basics of digital art with MS Paint — the fun way to start!
Introduction to MS Paint
MS Paint is a simple drawing program included with Windows. It lets you create pictures, edit photos, and draw shapes using digital tools — just like drawing on paper!
Drawing Tools in Paint
Pencil
Draw freehand thin lines. Click and drag to draw.
Brush
Draw with different brush styles and thicknesses.
Fill (Bucket)
Fill a closed area with the selected color.
Text Tool
Add text to your drawing. Choose font and size.
Eraser
Erase parts of your drawing. Adjust eraser size.
Color Picker
Pick a color from anywhere on the canvas.
Magnifier
Zoom in to see and edit fine details.
Line Tool
Draw straight lines. Hold Shift for perfect lines.
Shapes and Colors
🔲 Shapes
🎨 Colors
Save and Open Image
💾 Saving Your Drawing
Click the Paint button (top-left circle)
Choose Save As
Choose file format: PNG (best quality) or JPEG
Type a file name
Choose a folder to save in
Click Save
📂 Opening an Image
Click the Paint button
Choose Open
Browse to find your image file
Click on the file to select it
Click Open
Fun Drawing Activity!
🎨 Your Task: Draw a House Scene
💡 Helpful Tips
Use Ctrl+Z to undo mistakes
Zoom in with the magnifier for details
Try different brush sizes for variety
Be creative — there's no wrong answer!
Microsoft
Word 2010
Create professional documents, letters, and reports with the world's most popular word processor.
Introduction to MS Word 2010
Microsoft Word 2010 is a word processing program used to create, edit, format, and print text documents. It is part of the Microsoft Office 2010 suite.
Creating a Document & Page Layout
📄 Creating a Document
Open Word → Blank Document
Start typing your content
Press Enter for new paragraph
Press Tab to indent text
Save with Ctrl+S
📐 Page Layout Settings
Editing & Formatting Text
✏️ Basic Editing
🎨 Text Formatting
Paragraph · Headers & Footers · Page Borders
Paragraph Formatting
- Alignment: Left, Center, Right, Justify
- Line Spacing: Single, 1.5, Double
- Indentation: First line, hanging
- Bullets & Numbering
- Borders & Shading on paragraphs
Headers & Footers
- Insert → Header or Footer
- Header: appears at top of every page
- Footer: appears at bottom of every page
- Add page numbers, date, company name
- Double-click to edit header/footer
Page Borders
- Page Layout → Page Borders
- Choose border style, color, width
- Art borders for certificates
- Apply to whole document or one page
- Great for certificates & invitations
Navigation · Review · Spell Check
Navigation
- Ctrl+Home — Go to beginning
- Ctrl+End — Go to end
- Ctrl+G — Go to page number
- Ctrl+F — Find text
- Navigation Pane: View → Navigation
Review Tools
- Track Changes — See edits made
- Comments — Add notes to text
- Compare — Compare two documents
- Protect Document — Password lock
- Review tab → All tools here
Spell Check
- Red underline = spelling error
- Green underline = grammar error
- Right-click → see suggestions
- F7 — Run full spell check
- Review → Spelling & Grammar
Mail Merge
Mail Merge lets you create personalized letters, envelopes, or labels for many people at once using a template and a data list (like an Excel file).
Write your letter with placeholders like «Name», «Address»
Link to Excel file with names and addresses
Place «First Name», «City» etc. in the letter
Preview letters, then print or save all copies
Save, Print & Export
Save Options
- Ctrl+S — Quick Save
- Save As — Choose name & location
- .docx — Word 2010 format
- .doc — Older Word format
- AutoSave — Set in Options
Print Options
- Ctrl+P — Open Print dialog
- Choose printer and number of copies
- Print specific pages: "1,3,5-8"
- Print Preview before printing
- Print on both sides (duplex)
Export to PDF
- File → Save As → PDF or XPS
- PDF cannot be easily edited
- Great for sharing documents
- Preserves formatting on all devices
- Smaller file size than .docx
Microsoft
Excel 2010
Master spreadsheets, formulas, charts, and data analysis — the most powerful tool for numbers!
Introduction to Excel · Rows, Columns & Cells
Microsoft Excel 2010 is a spreadsheet program used to organize data, perform calculations, create charts, and analyze information in rows and columns.
Example: B2 = Column B, Row 2
Editing a Worksheet & Formatting Cells
✏️ Editing Worksheet
🎨 Formatting Cells
Basic Formulae & Functions
Logical Functions · HLOOKUP & VLOOKUP
🔀 Logical Functions
If A1 is 35 or more → shows "Pass", otherwise "Fail"
Returns TRUE only if BOTH conditions are true
Returns TRUE if ANY one condition is true
Returns TRUE if the condition is NOT met
🔍 VLOOKUP & HLOOKUP
Searches column D for value in A2, returns value from 2nd column of the range
Searches row 1 for value in A1, returns value from 2nd row of the range
Formula Errors · Conditional Formatting · Linking
Formula Errors
- #DIV/0! — Dividing by zero
- #VALUE! — Wrong data type
- #REF! — Invalid cell reference
- #NAME? — Unknown function name
- #N/A — Value not found
- Use IFERROR() to handle errors
Conditional Formatting
- Automatically color cells based on values
- Highlight cells > 90 in green
- Highlight cells < 35 in red
- Data Bars — visual bar in cell
- Color Scales — gradient colors
- Home → Conditional Formatting
Linking Cells
- Link cells within same sheet: =A1
- Link to another sheet: =Sheet2!A1
- Link to another workbook: =[Book2.xlsx]Sheet1!A1
- Changes update automatically
- Great for summary dashboards
Pivot Tables · Data Analysis · Charts
📊 Pivot Tables
A Pivot Table summarizes large amounts of data quickly. It lets you group, count, sum, and analyze data with just a few clicks.
Select your data range
Insert → PivotTable
Drag fields to Rows, Columns, Values
Analyze your summary instantly!
📈 Charts & Graphs
Select data → Insert → Chart → Choose type → Customize title, colors, labels
Student Marksheet Example
| Student Name | English | Maths | Science | Total | Average | Grade | Result |
|---|---|---|---|---|---|---|---|
| Rahul Sharma | 78 | 85 | 90 | =SUM(B2:D2) | =AVERAGE(B2:D2) | A | Pass |
| Priya Patel | 92 | 88 | 95 | =SUM(B3:D3) | =AVERAGE(B3:D3) | A+ | Pass |
| Amit Kumar | 30 | 28 | 32 | =SUM(B4:D4) | =AVERAGE(B4:D4) | F | Fail |
=SUM(B2:D2)=AVERAGE(B2:D2)=IF(E2>=90,"Pass","Fail")=IF(F2>=90,"A+",IF(F2>=75,"A","F"))Microsoft
PowerPoint 2010
Create stunning presentations with slides, animations, and visual effects that captivate your audience.
Creating Slides & Themes
📋 Creating Slides
Open PowerPoint → Blank Presentation
Click on title area and type your title
Add new slide: Home → New Slide
Choose slide layout (Title, Content, Blank…)
Add text, images, and shapes
🎨 Themes & Designs
Pictures & Shapes · Animations & Transitions
🖼️ Pictures & Shapes
✨ Animations & Transitions
Slide Show & Classroom Activity
▶️ Running a Slide Show
Press F5 to start from beginning
Press Shift+F5 to start from current slide
Click or press → to go to next slide
Press Esc to exit slide show
Press B to black out screen temporarily
Create Your Introduction Slide
Internet &
Online Services
Explore the world wide web, browse safely, search smartly, and use online services with confidence.
What is Internet? · Web Browser Basics
The Internet is a global network of millions of computers connected together, allowing them to share information and communicate worldwide.
🌐 Web Browsers
How to Browse · Search Engines
🖱️ How to Browse the Internet
Open your web browser (e.g., Chrome)
Click the address bar at the top
Type a website address: www.google.com
Press Enter to go to the website
Click links to navigate between pages
Use Back button to return to previous page
🔍 Search Engines
💡 Smart Search Tips
Safe Internet Usage · Online Booking
🛡️ Safe Internet Usage
Use strong passwords (mix letters, numbers, symbols)
Look for https:// and 🔒 lock icon on websites
Never share personal info (Aadhaar, bank details) online
Don't click suspicious links or pop-up ads
Don't download files from unknown websites
Don't share passwords with anyone
🎫 Online Booking Services
Railway Ticket Booking Demo · Downloading Files
🚂 IRCTC Railway Booking Steps
Go to www.irctc.co.in
Register/Login with your account
Enter From & To stations
Select travel date and class
Search trains and check availability
Enter passenger details
Pay online (Debit/Credit/UPI)
Download/Print e-ticket
⬇️ Downloading Files
Email &
Communication
Learn to create email accounts, send messages, attach files, and use professional communication tools.
Create Email Account · Send & Receive Emails
📧 Create a Gmail Account
Go to www.gmail.com
Click "Create Account"
Enter your First & Last Name
Choose a username (e.g., rahul.sharma@gmail.com)
Create a strong password
Enter phone number for verification
Agree to terms → Account created!
📨 Sending an Email
Click Compose
Fill in To, Subject, and message
Click Send
Attach Files in Email · Outlook 2010 Basics
📎 Attaching Files
Compose a new email
Click the 📎 Attach button (paperclip icon)
Browse and select your file
Wait for file to upload
Send the email with attachment
📮 Microsoft Outlook 2010
Outlook 2010 is a professional email client included in MS Office. It manages emails, calendar, contacts, and tasks all in one place.
Introduction to Skype
Skype is a free communication application that allows you to make voice calls, video calls, and send instant messages to anyone in the world over the internet.
Getting Started
Download Skype from skype.com
Install and open Skype
Sign in with Microsoft account
Search for contacts by name/email
Click video camera icon to call
📋 Requirements
Congratulations!
You have completed the Computer Fundamentals & MS Office 2010 Course