UGC NET Information and Communication Technology (ICT) Short Forms
| Shortform | Full Form | Meaning / Where used |
|---|
| UGC | University Grants Commission | Exam context |
| NET | National Eligibility Test | Exam name |
| JRF | Junior Research Fellowship | Outcome context |
| NTA | National Testing Agency | Conducting body |
| CBT | Computer Based Test | Exam mode |
| MCQ | Multiple Choice Question | Practice format |
| PYQ | Previous Year Question | Revision source |
| PDF | Portable Document Format | Notes format |
| ICT | Information and Communication Technology | Information and Communication Technology |
| AV | Audio-Visual | ICT-based teaching aids |
Core Concepts of ICT
| Shortform | Full Form | Meaning / Where used |
|---|
| IT | Information Technology | Tech for storing/processing info |
| CT | Communication Technology | Tech for sending information |
| PC | Personal Computer | Basic computing device |
| CPU | Central Processing Unit | Main processing chip of computer |
| ALU | Arithmetic Logic Unit | Performs arithmetic/logic operations |
| CU | Control Unit | Controls CPU operations |
| RAM | Random Access Memory | Temporary working memory |
| ROM | Read Only Memory | Permanent/non-volatile memory |
| HDD | Hard Disk Drive | Magnetic storage |
| SSD | Solid State Drive | Fast flash-based storage |
| OS | Operating System | Manages hardware/software (Windows etc.) |
| GUI | Graphical User Interface | Icon/menu based interface |
| CLI | Command Line Interface | Text command-based interface |
| I/O | Input/Output | Data input and output operations |
| UPS | Uninterruptible Power Supply | Backup power for systems |
| Shortform | Full Form | Meaning / Where used |
|---|
| RAM | Random Access Memory | Primary/working memory (volatile) |
| ROM | Read Only Memory | Non-volatile primary memory |
| SRAM | Static Random Access Memory | Faster RAM, used in cache |
| DRAM | Dynamic Random Access Memory | Common main RAM type |
| SDRAM | Synchronous Dynamic RAM | DRAM synced with system clock |
| DDR | Double Data Rate | RAM technology generation |
| DDR2 | Double Data Rate 2 | Older DDR generation |
| DDR3 | Double Data Rate 3 | Common older DDR generation |
| DDR4 | Double Data Rate 4 | Widely used DDR generation |
| DDR5 | Double Data Rate 5 | Newer DDR generation |
| DIMM | Dual In-line Memory Module | Desktop RAM module type |
| SO-DIMM | Small Outline DIMM | Laptop RAM module type |
| ECC | Error-Correcting Code | RAM that detects/corrects errors |
| Cache | Cache Memory | High-speed small memory near CPU |
| L1 | Level 1 Cache | Fastest CPU cache |
| L2 | Level 2 Cache | Larger, slower than L1 |
| L3 | Level 3 Cache | Shared cache in many CPUs |
| HDD | Hard Disk Drive | Secondary storage (magnetic) |
| SSD | Solid State Drive | Secondary storage (flash) |
| NVMe | Non-Volatile Memory Express | High-speed SSD interface/protocol |
| SATA | Serial Advanced Technology Attachment | Storage interface (HDD/SSD) |
| PATA | Parallel ATA | Older storage interface |
| USB | Universal Serial Bus | External storage/connection interface |
| SD | Secure Digital | Memory card type |
| microSD | Micro Secure Digital | Small memory card type |
| eMMC | Embedded MultiMediaCard | Phone/laptop internal storage type |
| UFS | Universal Flash Storage | Faster mobile storage standard |
| TB | Terabyte | Storage unit |
| GB | Gigabyte | Storage unit |
| MB | Megabyte | Storage unit |
| KB | Kilobyte | Storage unit |
Bit vs Byte (Most Important Confusion)
| Symbol | Full Form | Type | Key point |
|---|
| b | bit | bit | smallest unit (0/1) |
| B | byte | byte | 1 Byte = 8 bits |
Quick Comparison: Mb vs MB, Gb vs GB
| Pair | Correct meaning | Relation |
|---|
| Mb vs MB | megabit vs megabyte | 1 MB = 8 Mb |
| Gb vs GB | gigabit vs gigabyte | 1 GB = 8 Gb |
| Kb vs KB | kilobit vs kilobyte | 1 KB = 8 Kb |
Decimal (SI) Byte Units — used in storage marketing (KB, MB, GB…)
| Unit | Full Form | In bytes (B) |
|---|
| B | Byte | 1 |
| KB | Kilobyte | 10³ = 1,000 |
| MB | Megabyte | 10⁶ = 1,000,000 |
| GB | Gigabyte | 10⁹ |
| TB | Terabyte | 10¹² |
| PB | Petabyte | 10¹⁵ |
| EB | Exabyte | 10¹⁸ |
| ZB | Zettabyte | 10²¹ |
| YB | Yottabyte | 10²⁴ |
| RB | Ronnabyte | 10²⁷ |
| QB | Quettabyte | 10³⁰ |
✅ Up to here = 10³⁰ bytes (Quettabyte).
Decimal (SI) Bit Units — used in internet speed (Mbps, Gbps)
| Unit | Full Form | In bits (b) |
|---|
| b | bit | 1 |
| Kb | kilobit | 10³ |
| Mb | megabit | 10⁶ |
| Gb | gigabit | 10⁹ |
| Tb | terabit | 10¹² |
| Pb | petabit | 10¹⁵ |
| Eb | exabit | 10¹⁸ |
| Zb | zettabit | 10²¹ |
| Yb | yottabit | 10²⁴ |
| Rb | ronnabit | 10²⁷ |
| Qb | quettabit | 10³⁰ |
Binary (IEC) Byte Units — used by OS/memory (KiB, MiB)
| Unit | Full Form | In bytes (B) |
|---|
| KiB | Kibibyte | 2¹⁰ = 1,024 |
| MiB | Mebibyte | 2²⁰ |
| GiB | Gibibyte | 2³⁰ |
| TiB | Tebibyte | 2⁴⁰ |
| PiB | Pebibyte | 2⁵⁰ |
| EiB | Exbibyte | 2⁶⁰ |
| ZiB | Zebibyte | 2⁷⁰ |
| YiB | Yobibyte | 2⁸⁰ |
| Shortform | Full Form | Exam hint |
|---|
| LAN-WAN-MAN | Local–Wide–Metropolitan Area Network | Network classification basics |
| OSI | Open Systems Interconnection | 7-layer network model |
| TCP/IP | Transmission Control Protocol / Internet Protocol | Core internet protocol suite |
| CRUD | Create–Read–Update–Delete | Basic database operations |
| ACID | Atomicity–Consistency–Isolation–Durability | Database transaction properties |
| CIA | Confidentiality–Integrity–Availability | Cyber security core triad |
| Shortform | Full Form | Meaning / Where used |
|---|
| LMS | Learning Management System | Platform to deliver/manage courses |
| MOOC | Massive Open Online Course | Large-scale online courses |
| ODL | Open and Distance Learning | Distance education mode |
| SWAYAM | Study Webs of Active Learning for Young Aspiring Minds | Govt. online learning platform |
| NPTEL | National Programme on Technology Enhanced Learning | Online course platform |
| OER | Open Educational Resources | Free learning materials |
| SSO | Single Sign-On | One login for multiple services |
| VPN | Virtual Private Network | Secure private connection over internet |
| Shortform | Full Form | Meaning / Where used |
|---|
| SDLC | Software Development Life Cycle | Steps to build software |
| ALM | Application Lifecycle Management | End-to-end app lifecycle |
| ETL | Extract–Transform–Load | Data pipeline process |
| OCR | Optical Character Recognition | Image-to-text process |
| OTP | One-Time Password | Login verification process |
| Shortform | Full Form | Meaning / Where used |
|---|
| MS | Microsoft | Office suite context |
| DOCX | Document (Office Open XML) | Word document format |
| XLSX | Spreadsheet (Office Open XML) | Excel file format |
| PPTX | Presentation (Office Open XML) | PowerPoint file format |
| PDF | Portable Document Format | Document sharing |
| JPG/JPEG | Joint Photographic Experts Group | Image format |
| PNG | Portable Network Graphics | Image format |
| GIF | Graphics Interchange Format | Image/animation format |
| MP3 | MPEG-1 Audio Layer III | Audio format |
| MP4 | MPEG-4 Part 14 | Video format |
| ZIP | Zip Archive | Compressed file format |
Networking/Internet Terms
| Shortform | Full Form | Meaning / Where used |
|---|
| WWW | World Wide Web | Web-based information system |
| URL | Uniform Resource Locator | Web address |
| ISP | Internet Service Provider | Provides internet access |
| IP | Internet Protocol | Addressing/routing protocol |
| IPv4 | Internet Protocol Version 4 | 32-bit IP addressing |
| IPv6 | Internet Protocol Version 6 | 128-bit IP addressing |
| DNS | Domain Name System | Converts name to IP |
| DHCP | Dynamic Host Configuration Protocol | Auto assigns IP settings |
| MAC | Media Access Control | Physical address of device |
| NIC | Network Interface Card | Network hardware interface |
| HTTP | HyperText Transfer Protocol | Web communication protocol |
| HTTPS | HTTP Secure | Encrypted web protocol |
| FTP | File Transfer Protocol | File transfer on network |
| SMTP | Simple Mail Transfer Protocol | Email sending protocol |
| POP3 | Post Office Protocol v3 | Email receiving protocol |
| IMAP | Internet Message Access Protocol | Email access protocol |
| WLAN | Wireless Local Area Network | Wi-Fi network type |
| Wi-Fi | Wireless Fidelity | Wireless networking tech |
| VoIP | Voice over Internet Protocol | Calling over internet |
Cyber Security Terms
| Shortform | Full Form | Meaning / Where used |
|---|
| CIA | Confidentiality–Integrity–Availability | Core security goals |
| MFA | Multi-Factor Authentication | Multiple proofs for login |
| OTP | One-Time Password | Temporary login code |
| 2FA | Two-Factor Authentication | Two proofs for login |
| IDS | Intrusion Detection System | Detects suspicious activity |
| IPS | Intrusion Prevention System | Detects + blocks threats |
| AV | Anti-Virus | Malware protection software |
| DDoS | Distributed Denial of Service | Flood attack to crash service |
| SSL | Secure Sockets Layer | Older encryption protocol term |
| TLS | Transport Layer Security | Modern encryption protocol |
| PKI | Public Key Infrastructure | Certificate-based trust system |
| VPN | Virtual Private Network | Secure network tunnel |
| CERT | Computer Emergency Response Team | Incident response support |
Software/Programming Terms
| Shortform | Full Form | Meaning / Where used |
|---|
| IDE | Integrated Development Environment | Tool for writing/running code |
| API | Application Programming Interface | Software-to-software connection |
| OOP | Object Oriented Programming | Code using classes/objects |
| DB | Database | Stored structured data |
| DBMS | Database Management System | Software to manage databases |
| RDBMS | Relational DBMS | Table-based database system |
| SQL | Structured Query Language | Query language for databases |
| NoSQL | Not Only SQL | Non-relational databases category |
| GUI | Graphical User Interface | Visual interface |
| UI | User Interface | Interface design |
| UX | User Experience | User interaction quality |
Data & Database Terms
| Shortform | Full Form | Meaning / Where used |
|---|
| ER | Entity–Relationship | Database modeling |
| ERD | Entity Relationship Diagram | Diagram for database design |
| PK | Primary Key | Unique identifier column |
| FK | Foreign Key | Links tables |
| DBT | Database Transaction | Unit of work in DB |
| ACID | Atomicity–Consistency–Isolation–Durability | Transaction reliability |
| OLTP | Online Transaction Processing | Daily transactions |
| OLAP | Online Analytical Processing | Analytical reporting |
| DW | Data Warehouse | Central store for analytics |
| BI | Business Intelligence | Analytics + dashboards |
Web & Cloud Terms
| Shortform | Full Form | Meaning / Where used |
|---|
| HTML | HyperText Markup Language | Web page structure |
| CSS | Cascading Style Sheets | Web page styling |
| JS | JavaScript | Web scripting language |
| CMS | Content Management System | Website management system |
| SaaS | Software as a Service | Cloud software delivery model |
| PaaS | Platform as a Service | Cloud platform for developers |
| IaaS | Infrastructure as a Service | Cloud infrastructure model |
| CDN | Content Delivery Network | Faster content delivery |
| IoT | Internet of Things | Connected smart devices |
| AI | Artificial Intelligence | Intelligent systems/apps |
| ML | Machine Learning | Learning from data |
| Shortform | Possible Full Forms | Most likely in UGC NET | Quick clue to identify |
|---|
| AV | Audio-Visual / Anti-Virus | Audio-Visual | If teaching aids/media → Audio-Visual |
| IP | Internet Protocol / Intellectual Property | Internet Protocol | If networks/addresses → Internet Protocol |
| OS | Operating System / Open Source | Operating System | If Windows/Linux mention → OS |
| AI | Artificial Intelligence / Adobe Illustrator | Artificial Intelligence | If tech/automation context → AI |
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