By Sunil Chaudhari – Founder, Guruji English Classes
Introduction: Why Understanding Tech Vocabulary Is a Modern Superpower
My dear learners, whenever I teach communication skills to students, professionals, or homemakers, I often notice one common challenge: people use technology every single day, but they do not understand the English words that come with it. And because our world is becoming more digital, understanding tech vocabulary is now just as important as understanding basic English.
Moreover, you use technology:
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When you use WhatsApp, Instagram, or Facebook
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When you attend online meetings
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When you apply for jobs
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When you use laptops or mobile apps
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When you pay bills online
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When you travel
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When you order food
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When you watch YouTube
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When you work remotely
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When you manage files, photos, passwords, emails
Therefore, learning simple yet powerful tech words instantly makes you:
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More confident
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More employable
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More independent
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More digitally smart
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More professional
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More globally connected
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More future-ready
And yes — I will teach these tech words in a simple, caring, friendly, and stress-free way, because I genuinely want you to feel comfortable with modern English.
Before we begin, please subscribe to our YouTube channel so you can learn English with fun and clarity every day:
👉 https://www.youtube.com/@gurujienglishclasses
Let’s begin your digital-English transformation.
Section 1: Why Tech Vocabulary Is Essential in Today’s World
1. Technology is everywhere
Because every industry — healthcare, business, education, banking, travel — uses technology, you need to understand basic tech words to survive and succeed.
2. You need tech words for your career
Even if your job is not technical, you still need to understand terms used in emails, reports, and online meetings.
3. You need tech vocabulary for daily life
Without understanding simple tech terms, everyday tasks become stressful.
4. Tech vocabulary boosts your confidence
When you understand digital terms, you speak confidently in modern conversations.
5. Tech vocabulary connects you globally
Because English is the global tech language, learning these words helps you interact with people across countries.
Section 2: Basic Tech Words Everyone Should Know
I will start with the simplest yet most important tech vocabulary. And yes, I will explain everything in a warm and friendly way.
1. Device
Meaning: an electronic machine
Example: “A mobile phone is a device we use daily.”
2. Browser
Meaning: a program used to open websites
Examples: Chrome, Safari, Firefox
Sentence: “Open the link in your browser.”
3. App (Application)
Meaning: a software program on your phone
Example: “WhatsApp is a messaging app.”
4. Software
Meaning: programs that run the device
Example: “You must update the software regularly.”
5. Hardware
Meaning: physical parts of a device
Example: “The keyboard is hardware.”
Section 3: Everyday Mobile & Internet Vocabulary
Because you use these terms daily, understanding them is extremely important.
6. Update
Meaning: an improved version of an app
Example: “Please update the app for better performance.”
7. Notification
Meaning: a pop-up alert
Example: “I received a notification from Instagram.”
8. Screenshot
Meaning: a picture of your screen
Example: “Send me a screenshot of the error.”
9. Upload
Meaning: send something to the internet
Example: “Upload your resume to the website.”
10. Download
Meaning: save something from the internet
Example: “I downloaded the PDF yesterday.”
Section 4: Internet, Email & Online Meeting Vocabulary
Because most communication happens online now, these words are essential.
11. Link
Meaning: a clickable website address
Example: “Click the link to join the class.”
12. Attachment
Meaning: a file added to an email
Example: “Please check the attachment.”
13. Spam
Meaning: unwanted or fake emails
Example: “Your email went to the spam folder.”
14. Bandwidth
Meaning: internet capacity
Example: “The video is not loading due to low bandwidth.”
15. Buffering
Meaning: video loading slowly
Example: “The movie is buffering because of weak internet.”
16. Lag
Meaning: delay
Example: “There was a lag in the online meeting.”
17. Mute / Unmute
Meaning: turn sound off/on
Example: “Please unmute yourself before speaking.”
18. Screen Share
Meaning: show your screen to others
Example: “Let me screen share the document.”
19. Breakout Room
Meaning: small group discussion online
Example: “The teacher divided students into breakout rooms.”
20. Cloud Storage
Meaning: storing files online
Example: “Google Drive offers cloud storage.”
Section 5: Social Media Vocabulary (Must-Know!)
Because social media has become part of daily life, you need these terms.
21. Feed
Meaning: the stream of posts
Example: “Your Instagram feed looks beautiful.”
22. Followers
Meaning: people who follow your profile
Example: “Guruji English Classes has lakhs of followers.”
23. Handle
Meaning: username
Example: “My Instagram handle is @gurujienglishclasses.”
24. DM (Direct Message)
Meaning: a private message
Example: “Send me the details in DM.”
25. Viral
Meaning: becoming extremely popular
Example: “His reel went viral.”
26. Tag
Meaning: mention someone
Example: “Please tag me in your story.”
Section 6: Cyber Security Words (Very Important!)
Because safety matters, you MUST know these.
27. Password
Meaning: secret code
Example: “Never share your password with anyone.”
28. Encryption
Meaning: converting information into a secret code
Example: “WhatsApp messages are end-to-end encrypted.”
29. Firewall
Meaning: a security system
Example: “A firewall protects your computer.”
30. Malware
Meaning: harmful software
Example: “Malware can harm your device.”
31. Antivirus
Meaning: software that protects your device
Example: “Install antivirus to stay safe.”
Section 7: Workplace Tech Vocabulary
Because almost every job is digital today, these words help you sound professional.
32. Dashboard
Meaning: a control panel of data
Example: “The sales dashboard shows monthly revenue.”
33. Database
Meaning: organized data
Example: “Customer information is stored in a database.”
34. KPI (Key Performance Indicator)
Meaning: a performance measurement metric
Example: “Sales growth is an important KPI.”
35. Analytics
Meaning: studying data
Example: “We use analytics to understand customer behavior.”
36. Algorithm
Meaning: a computer instruction set
Example: “The Instagram algorithm changes often.”
37. Interface
Meaning: the design you interact with
Example: “This app has a user-friendly interface.”
38. Sync (Synchronize)
Meaning: match data across devices
Example: “Sync your contacts to the cloud.”
Section 8: E-Commerce, Banking & Online Payment Vocabulary
Because online payments are now essential, let’s understand these terms.
39. OTP (One-Time Password)
Meaning: a temporary code
Example: “Enter the OTP to confirm payment.”
40. Transaction
Meaning: payment activity
Example: “Your transaction was successful.”
41. Wallet
Meaning: digital money storage
Example: “Paytm wallet is widely used.”
42. UPI
Meaning: instant payment method
Example: “UPI makes payments very easy.”
43. Subscription
Meaning: paying regularly for a service
Example: “I have a Netflix subscription.”
44. Invoice
Meaning: bill
Example: “Please download your invoice.”
Section 9: Real-Life Dialogues Using Tech Words
Because speaking is the best way to learn, here are useful conversations.
Dialogue 1: At Work
You: “Could you please send the updated file?”
Team: “Sure, I will share the link and the attachment.”
Dialogue 2: Online Class
Teacher: “Please unmute yourself.”
Student: “Sorry sir, there was a lag.”
Dialogue 3: Customer Support
You: “I did not receive the OTP.”
Support: “Please check your network and try again.”
Section 10: Daily 5-Minute Tech Vocabulary Practice
Because daily practice builds confidence, try this:
Step 1:
Pick 5 tech words
Step 2:
Write 5 sentences
Step 3:
Use 1 tech word in a real conversation
Step 4:
Read 1 tech article for exposure
Step 5:
Watch 1 English tech explainer video on YouTube
Conclusion: Master Tech Vocabulary, Master Modern English
My dear learners, because you stayed with me till the end, I’m proud of your dedication. Moreover, your interest shows that you want to grow in your career, your personal life, and your communication skills.
Always remember:
English + Technology = Unstoppable Success
And I’m here to guide you step-by-step on this beautiful journey.
👉 Please subscribe to Guruji English Classes on YouTube:
https://www.youtube.com/@gurujienglishclasses
I’ll keep teaching you with the same love, clarity, and care — every single day.