### ✅ Important Short Names and Their Full Forms ✅ 1. PDF ➺ Portable Document Format 2. HTML ➺ HyperText Markup Language 3. NEFT ➺ National Electronic Funds Transfer 4. MICR ➺ Magnetic Ink Character Recognition 5. IFSC ➺ Indian Financial System Code 6. ISP ➺ Internet Service Provider 7. IPC ➺ Indian Penal Code 8. ECS ➺ Electronic Clearing System 9. CST ➺ Central Sales Tax 10. CRR ➺ Cash Reserve Ratio 11. UDP ➺ User Datagram Protocol 12. RTC ➺ Real-Time Clock 13. IP ➺ Internet Protocol 14. CAG ➺ Comptroller and Auditor General 15. FERA ➺ Foreign Exchange Regulation Act 16. ISRO ➺ Indian Space Research Organisation 17. ISDN ➺ Integrated Services Digital Network 18. SAARC ➺ South Asian Association for Regional Cooperation 19. OMR ➺ Optical Mark Recognition 20. AHRC ➺ Asian Human Rights Commission 21. JPEG ➺ Joint Photographic Experts Group 22. URL ➺ Uniform Resource Locator 23. IRDP ➺ Integrated Rural Development Programme 24. ASLV ➺ Augmented Satellite Launch Vehicle 25. ICU ➺ Intensive Care Unit 26. ATM ➺ Automated Teller Machine 27. CTS ➺ Cheque Truncation System 28. CTR ➺ Cash Transaction Receipt 29. NEFT ➺ National Electronic Funds Transfer 30. GDP ➺ Gross Domestic Product 31. FDI ➺ Foreign Direct Investment 32. EPFO ➺ Employees' Provident Fund Organisation 33. CRR ➺ Cash Reserve Ratio 34. CFRA ➺ Combined Finance and Revenue Accounts 35. GPF ➺ General Provident Fund 36. GMT ➺ Greenwich Mean Time 37. GPS ➺ Global Positioning System 38. GNP ➺ Gross National Product 39. SEU ➺ Slightly Enriched Uranium 40. GST ➺ Goods and Services Tax 41. GOOGLE ➺ Global Organization of Oriented Group Language of Earth 42. YAHOO ➺ Yet Another Hierarchical Officious Oracle 43. WINDOW ➺ Wide Interactive Network Development for Office Work Solution 44. COMPUTER ➺ Common Operating Machine Particularly Used for Technical, Educational, and Research 45. VIRUS ➺ Vital Information Resources Under Siege 46. UMTS ➺ Universal Mobile Telecommunications System 47. AMOLED ➺ Active-Matrix Organic Light-Emitting Diode 48. OLED ➺ Organic Light-Emitting Diode 49. IMEI ➺ International Mobile Equipment Identity 50. ESN ➺ Electronic Serial Number