Technical Branch Alphabet – I
| S. No | Initialism | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| I001 | IaaS | Infrastructure as a Service | Cloud computing model providing virtualized computing resources. | AWS EC2, Microsoft Azure, Google Cloud. |
| I002 | IAM | Identity and Access Management | Framework ensuring authorized access to systems and resources. | Active Directory, Okta, or AWS IAM. |
| I003 | IANA | Internet Assigned Numbers Authority | Organization managing IP addresses and domain namespaces. | Allocation of IPv4 and IPv6 addresses. |
| I004 | IAP | Internet Access Point | Gateway providing access to internet networks. | Wi-Fi hotspots and broadband routers. |
| I005 | IC | Integrated Circuit | Miniaturized electronic circuit containing transistors and resistors. | Microchips in computers and smartphones. |
| I006 | ICA | Independent Computing Architecture | Protocol enabling remote access to applications. | Citrix Virtual Apps and Desktops. |
| I007 | ICANN | Internet Corporation for Assigned Names and Numbers | Non-profit managing domain names and internet stability. | Domain registration services. |
| I008 | ICD | Interface Control Document | Defines interface specifications between systems. | Aerospace system design documents. |
| I009 | ICE | Internal Combustion Engine | Engine generating power through fuel combustion. | Automotive and generator applications. |
| I010 | ICMP | Internet Control Message Protocol | Network protocol for error handling and diagnostics. | “Ping” command uses ICMP. |
| I011 | ICP | Internet Cache Protocol | Protocol managing web cache communication. | Proxy servers in enterprise networks. |
| I012 | ICS | Industrial Control System | Automation system used to control industrial processes. | Power plant and manufacturing automation. |
| I013 | ICT | Information and Communication Technology | Integration of computing and telecommunication technologies. | Education and corporate IT systems. |
| I014 | ICU | Intensive Care Unit | Hospital unit providing specialized medical care. | Critical patient monitoring facilities. |
| I015 | ID | Identifier | Unique value or code distinguishing an entity. | User ID or process ID in software systems. |
| I016 | IDE | Integrated Development Environment | Software suite for coding, debugging, and compiling programs. | Visual Studio, Eclipse, or PyCharm. |
| I017 | IDF | Intermediate Distribution Frame | Structure housing network cable terminations. | Data center network infrastructure. |
| I018 | IDL | Interface Definition Language | Describes interfaces in distributed computing. | CORBA or WebIDL specifications. |
| I019 | IDS | Intrusion Detection System | Monitors network or system activities for malicious actions. | Snort or Suricata network security tools. |
| I020 | IEC | International Electrotechnical Commission | Global standards organization for electrical technologies. | IEC 60947 standards for electrical equipment. |
| I021 | IEEE | Institute of Electrical and Electronics Engineers | Professional association developing technical standards. | IEEE 802.11 (Wi-Fi) standard. |
| I022 | IE | Internet Explorer | Microsoft’s legacy web browser. | Web access before Edge or Chrome. |
| I023 | IEM | Industrial Engineering Management | Field focusing on optimizing production and operations. | Lean manufacturing and Six Sigma methods. |
| I024 | IEP | Individualized Education Program | Customized learning plan for students with special needs. | U.S. school system accommodations. |
| I025 | IES | Illuminating Engineering Society | Organization setting standards for lighting design. | LED lighting system certifications. |
| I026 | IF | Intermediate Frequency | Frequency used in radio signal processing. | Superheterodyne receiver circuits. |
| I027 | IFC | Industry Foundation Classes | Data model for Building Information Modeling (BIM). | Construction and architectural CAD systems. |
| I028 | IFFT | Inverse Fast Fourier Transform | Mathematical algorithm converting frequency to time domain. | Signal processing and digital communications. |
| I029 | IFM | Integrated Facility Management | Centralized management of physical workplace facilities. | Corporate office infrastructure services. |
| I030 | IFO | Information Object | Data entity storing structured information. | Database and object-oriented programming. |
| I031 | IGBT | Insulated Gate Bipolar Transistor | Semiconductor used for high-voltage switching. | Inverters and motor drives. |
| I032 | IGES | Initial Graphics Exchange Specification | Standard for exchanging CAD data. | AutoCAD and SolidWorks interoperability. |
| I033 | IGP | Interior Gateway Protocol | Protocol routing data within a single network. | OSPF and RIP protocols. |
| I034 | IHV | Independent Hardware Vendor | Company that designs and sells computer hardware. | NVIDIA or Intel as hardware vendors. |
| I035 | IIoT | Industrial Internet of Things | Integration of IoT technologies in industrial operations. | Smart factory automation systems. |
| I036 | IKE | Internet Key Exchange | Protocol for establishing secure VPN communication. | IPSec VPN configuration. |
| I037 | IL | Intermediate Language | Compiled code executed by virtual machines. | Microsoft .NET CLR IL code. |
| I038 | IM | Instant Messaging | Real-time text communication over networks. | Slack, Microsoft Teams, or WhatsApp. |
| I039 | IMAP | Internet Message Access Protocol | Email protocol allowing access from multiple devices. | Gmail and Outlook mail sync. |
| I040 | IMC | Integrated Memory Controller | Manages data transfer between CPU and memory. | Embedded in modern processors. |
| I041 | IMEI | International Mobile Equipment Identity | Unique identifier for mobile devices. | Used to block stolen smartphones. |
| I042 | IMF | Intermediate Metal Film | Thin film used in microelectronics. | Semiconductor fabrication processes. |
| I043 | IMS | IP Multimedia Subsystem | Architectural framework for delivering IP multimedia services. | VoLTE and video call services. |
| I044 | IMT | International Mobile Telecommunications | Standards defining mobile broadband technologies. | 4G and 5G wireless standards. |
| I045 | IN | Input Node | Circuit terminal receiving electrical input signals. | Logic circuit signal entry point. |
| I046 | INA | Instrumentation Amplifier | Amplifier used for precise signal measurement. | Sensor signal conditioning. |
| I047 | INC | Increment | Increase by a defined value in computation. | “i++” operation in programming. |
| I048 | IND | Industrial | Relating to manufacturing or production systems. | Industrial sensors and automation tools. |
| I049 | INF | Information File | File providing installation data or configuration details. | Windows driver installation files. |
| I050 | INL | Integral Non-Linearity | Measurement of deviation in analog-to-digital converters. | ADC performance evaluation. |
| I051 | INR | International Normalized Ratio | Medical measure for blood clotting consistency. | Anticoagulation therapy monitoring. |
| I052 | INS | Inertial Navigation System | Uses sensors to track movement without external input. | Aircraft or submarine navigation systems. |
| I053 | IO | Input/Output | Communication between a system and external world. | USB ports and peripheral communications. |
| I054 | IOC | International Olympic Committee | Organization governing the Olympic Games. | Sports administration. |
| I055 | IOD | Input/Output Device | Hardware allowing user interaction with a computer. | Keyboard, mouse, printer. |
| I056 | IOMMU | Input/Output Memory Management Unit | Hardware managing virtual memory for I/O devices. | Improves virtualization performance. |
| I057 | IOPS | Input/Output Operations Per Second | Measure of data storage performance. | SSD benchmark metric. |
| I058 | IOT | Internet of Things | Network of physical devices connected via the internet. | Smart home devices like Alexa or Nest. |
| I059 | IPC | Inter-Process Communication | Mechanism allowing processes to exchange data. | Pipes, shared memory, message queues. |
| I060 | IPD | Integrated Product Development | Concurrent design and engineering methodology. | Automotive design collaboration. |
| I061 | IPM | Intelligent Power Module | Combines power electronics and control logic. | Motor control drives. |
| I062 | IPO | Initial Public Offering | Process of offering shares to the public for the first time. | Corporate fundraising through stock exchanges. |
| I063 | IPP | Internet Printing Protocol | Protocol for remote printing over a network. | Network-connected printers. |
| I064 | IPS | Intrusion Prevention System | Monitors and prevents suspicious network activities. | Cisco and Palo Alto firewalls. |
| I065 | IPv4 | Internet Protocol Version 4 | Fourth version of IP addressing system. | 32-bit addressing format (e.g., 192.168.0.1). |
| I066 | IPv6 | Internet Protocol Version 6 | Latest version with 128-bit addressing for scalability. | Modern internet addressing. |
| I067 | IR | Infrared | Electromagnetic radiation used for communication or sensing. | Remote controls and thermal cameras. |
| I068 | IRAM | Instruction Random Access Memory | Fast-access memory storing CPU instructions. | Embedded processors. |
| I069 | IRC | Internet Relay Chat | Early internet-based text communication system. | Developer or gaming chat rooms. |
| I070 | IRDA | Infrared Data Association | Standard for short-range wireless communication. | Early mobile infrared file transfer. |
| I071 | IRL | In Real Life | Phrase differentiating online and physical interactions. | Social media communication. |
| I072 | IRQ | Interrupt Request | Hardware signal alerting CPU to handle an event. | Keyboard input or system interrupts. |
| I073 | ISA | Instruction Set Architecture | Defines machine-level programming interface of CPUs. | x86, ARM, RISC-V architectures. |
| I074 | ISDN | Integrated Services Digital Network | Digital transmission standard for voice and data. | Early internet telephony systems. |
| I075 | ISO | International Organization for Standardization | Develops global industry and technology standards. | ISO 9001, ISO 27001 certifications. |
| I076 | ISP | Internet Service Provider | Organization providing internet connectivity. | Comcast, AT&T, Verizon. |
| I077 | ISR | Interrupt Service Routine | Routine that handles hardware or software interrupts. | Microcontroller programming. |
| I078 | ISS | International Space Station | Habitable artificial satellite in low Earth orbit. | Space research and experiments. |
| I079 | IT | Information Technology | Field involving computing and data management systems. | IT departments in enterprises. |
| I080 | ITIL | Information Technology Infrastructure Library | Framework for IT service management. | ITSM best practices. |
| I081 | ITM | Item | Individual unit in data or inventory systems. | ERP and database systems. |
| I082 | ITS | Intelligent Transportation System | Integrates technology into traffic and transport management. | Smart traffic lights and GPS tracking. |
| I083 | ITV | Interactive Television | Enables user interaction via digital TV systems. | On-demand video services. |
| I084 | IUPAC | International Union of Pure and Applied Chemistry | Sets chemical naming and standards. | Naming organic compounds. |
| I085 | IV | Intravenous | Administration of fluids or drugs directly into veins. | Hospital IV therapy systems. |
| I086 | IVA | Intelligent Virtual Assistant | AI-based system simulating human interaction. | Siri, Alexa, or Google Assistant. |
| I087 | IVR | Interactive Voice Response | Automated phone system for customer interactions. | Call centers and helplines. |
| I088 | IWB | Interactive Whiteboard | Digital display for real-time annotation and interaction. | Smart classroom or business meetings. |
| I089 | IWR | Industrial Wireless Router | Device connecting industrial systems via wireless networks. | Factory IoT communication. |
| I090 | IX | Internet Exchange | Physical infrastructure enabling network interconnection. | Internet traffic peering points. |
| I091 | IXP | Internet Exchange Point | Location where ISPs exchange traffic. | DE-CIX, LINX data centers. |
| I092 | IYCF | Infant and Young Child Feeding | WHO framework for early child nutrition. | Public health guidelines. |
| I093 | IZP | Intelligent Zone Protection | Automated system for area security and monitoring. | Smart city surveillance systems. |
| I094 | I2C | Inter-Integrated Circuit | Communication protocol for connecting low-speed peripherals. | Sensors and embedded systems. |
| I095 | I3D | Interactive 3D | Technology for real-time 3D visualization. | Virtual reality and 3D design. |
| I096 | I4.0 | Industry 4.0 | Fourth industrial revolution involving digital transformation. | IoT, robotics, and AI in manufacturing. |
| I097 | IBE | Identity-Based Encryption | Cryptographic technique linking encryption to user identity. | Secure messaging and blockchain systems. |
| I098 | IBIS | Input Buffer Information Specification | Standard describing I/O characteristics of circuits. | PCB signal integrity simulation. |
| I099 | IBP | Integrated Business Planning | Process aligning financial, operational, and supply chain plans. | SAP IBP enterprise planning tools. |
| I100 | ICBM | Intercontinental Ballistic Missile | Long-range missile capable of carrying nuclear warheads. | Strategic military defense. |
| S. No | Initialism | Full Form | Short Explanation | Practical Example |
|---|---|---|---|---|
| I101 | ILO | International Labour Organization | A UN agency promoting social and labor rights. | ILO standards guide industrial safety laws. |
| I102 | IPD | Integrated Product Development | Collaborative approach integrating design and manufacturing. | Used in automotive and aerospace industries. |
| I103 | IDS | Intrusion Detection System | Monitors network traffic for suspicious activities. | IDS alerts when unauthorized access is detected. |
| I104 | IGU | Insulated Glass Unit | Multi-pane window assembly with insulation gas. | IGUs improve energy efficiency in buildings. |
| I105 | ICBM | Intercontinental Ballistic Missile | A long-range missile capable of delivering nuclear warheads. | ICBMs are used for strategic military deterrence. |
| I106 | IMC | Integrated Marketing Communication | Strategy aligning multiple marketing tools for cohesive messaging. | IMC combines advertising and PR for campaigns. |
| I107 | ISP | Internet Service Provider | Company providing internet connectivity. | Comcast and AT&T are popular ISPs in the U.S. |
| I108 | IoT | Internet of Things | Network of interconnected smart devices communicating online. | Smart thermostats and home assistants use IoT. |
| I109 | IMEI | International Mobile Equipment Identity | Unique identifier assigned to mobile phones. | IMEI helps trace lost or stolen smartphones. |
| I110 | IGBT | Insulated Gate Bipolar Transistor | Semiconductor device used in power electronics. | IGBTs are vital in EV motor control systems. |
| I111 | IPM | Integrated Pest Management | Eco-friendly approach combining biological and chemical methods. | IPM minimizes pesticide use in agriculture. |
| I112 | IRR | Internal Rate of Return | Financial metric estimating profitability of investments. | IRR helps assess infrastructure project viability. |
| I113 | ISR | Intelligence, Surveillance, Reconnaissance | Military operations involving data gathering. | ISR drones provide real-time battlefield intelligence. |
| I114 | IOPS | Input/Output Operations Per Second | Measure of storage device performance. | SSDs offer higher IOPS than HDDs. |
| I115 | ISA | Industry Standard Architecture | Legacy computer bus architecture for peripherals. | ISA slots were common in early PCs. |
| I116 | ITIL | Information Technology Infrastructure Library | Framework for IT service management best practices. | ITIL guides modern IT support operations. |
| I117 | ICMP | Internet Control Message Protocol | Network protocol used for error reporting. | Ping uses ICMP to test connectivity. |
| I118 | IMAP | Internet Message Access Protocol | Email retrieval standard allowing message synchronization. | Gmail supports IMAP for email clients. |
| I119 | IIS | Internet Information Services | Microsoft’s web server software. | IIS hosts .NET-based web applications. |
| I120 | IANA | Internet Assigned Numbers Authority | Manages global IP address and domain allocations. | IANA oversees top-level domain distribution. |
| I121 | IFTTT | If This Then That | Automation platform linking web services. | IFTTT triggers lights when motion is detected. |
| I122 | ISA | Instrument Society of America | Organization setting industrial instrumentation standards. | ISA codes are used in process engineering. |
| I123 | IRU | Indefeasible Right of Use | Long-term right to use telecommunication infrastructure. | ISPs purchase IRUs for fiber network access. |
| I124 | IEEE | Institute of Electrical and Electronics Engineers | Global organization setting technical standards. | IEEE 802.11 defines Wi-Fi protocols. |
| I125 | ISM | Industrial, Scientific, and Medical | Radio bands reserved for non-commercial use. | Wi-Fi and Bluetooth use ISM bands. |
| I126 | ICMS | Integrated Construction Management System | Software for managing large construction projects. | ICMS streamlines project planning and budgeting. |
| I127 | IED | Improvised Explosive Device | Unconventional explosive weapon often used in warfare. | IED detection robots enhance soldier safety. |
| I128 | ICM | Integrated Circuit Module | Packaged assembly of interconnected IC components. | IC modules power electronic control units. |
| I129 | IOPS | Input/Output Performance Standard | Standard measure of storage input/output rates. | Databases rely on high IOPS for performance. |
| I130 | IPFS | InterPlanetary File System | Decentralized protocol for data storage and sharing. | IPFS powers distributed web hosting. |
| I131 | IPS | In-Plane Switching | LCD technology for better viewing angles and colors. | IPS monitors are preferred for graphic design. |
| I132 | ISDN | Integrated Services Digital Network | Circuit-switched telephone network system. | ISDN was used for early internet connections. |
| I133 | ICANN | Internet Corporation for Assigned Names and Numbers | Regulates domain names and IP addresses. | ICANN ensures stable internet operations. |
| I134 | ISM | Integrated Safety Management | Systematic safety approach in industrial processes. | ISM frameworks improve plant safety compliance. |
| I135 | IATA | International Air Transport Association | Trade association of airlines worldwide. | IATA codes identify airports and carriers. |
| I136 | IFOV | Instantaneous Field of View | Sensor’s angular resolution in imaging systems. | IFOV affects satellite image clarity. |
| I137 | IPC | Interprocess Communication | Mechanisms allowing processes to share data. | OS kernels use IPC for process synchronization. |
| I138 | IDS | Industrial Data System | Centralized system for managing industrial data. | IDS improves plant monitoring efficiency. |
| I139 | ISMS | Information Security Management System | Framework for protecting digital information. | ISO 27001 outlines ISMS requirements. |
| I140 | ICM | Integrated Content Management | Platform for handling digital documents and media. | ICM tools aid enterprise knowledge sharing. |
| I141 | IAM | Identity and Access Management | Controls user access to systems and data. | IAM ensures security in corporate networks. |
| I142 | ICR | Intelligent Character Recognition | Technology for converting handwritten text to digital. | ICR enhances data entry automation. |
| I143 | IAP | Internet Access Point | Node connecting devices to the internet. | Wi-Fi routers serve as IAPs in homes. |
| I144 | IDF | Intermediate Distribution Frame | Telecom rack connecting cables and switches. | IDFs manage internal data cabling networks. |
| I145 | ISA | Instruction Set Architecture | Defines processor commands and operations. | x86 and ARM are common ISAs. |
| I146 | IDS | Industrial Design System | Tools for 3D modeling and product visualization. | IDS software aids automotive design. |
| I147 | IPC | Industrial Process Control | Systems automating production lines. | PLCs and SCADA systems support IPC. |
| I148 | IRP | Incident Response Plan | Procedure for managing cybersecurity breaches. | IRPs reduce downtime during cyberattacks. |
| I149 | IGMP | Internet Group Management Protocol | Manages multicast group memberships in IP networks. | Streaming platforms rely on IGMP efficiency. |
| I150 | ISF | Information Security Framework | Structured security policy model for enterprises. | ISF protects cloud-based environments. |
| I151 | IoV | Internet of Vehicles | Connected car network enabling communication. | IoV improves traffic and vehicle safety. |
| I152 | ICS | Industrial Control System | Automation control for industrial processes. | ICS monitors refinery or power plant operations. |
| I153 | IKE | Internet Key Exchange | Cryptographic protocol for establishing secure VPNs. | IKE is part of IPsec tunneling protocols. |
| I154 | ISM | Information Systems Management | Administration of IT infrastructure and software. | ISM manages large corporate networks. |
| I155 | IOM | International Organization for Migration | UN organization supporting global migration. | IOM helps manage refugee logistics. |
| I156 | ICT | Information and Communication Technology | Combined technology for data and communication. | ICT underpins modern education systems. |
| I157 | IVR | Interactive Voice Response | Automated telephony system for user interaction. | IVR guides customers in service hotlines. |
| I158 | ISO | International Organization for Standardization | Develops global industrial and technological standards. | ISO 9001 ensures quality management compliance. |
| I159 | ICMS | Integrated Communication Management System | Software for unified message management. | ICMS merges email, chat, and VoIP systems. |
| I160 | INS | Inertial Navigation System | Uses motion sensors to calculate position and velocity. | INS guides aircraft and submarines. |
| I161 | IRDA | Infrared Data Association | Standard for wireless infrared communication. | Early mobile devices used IRDA ports. |
| I162 | IOPS | Input/Output Performance Specification | Benchmark for device read/write performance. | Cloud storage providers publish IOPS ratings. |
| I163 | ILS | Instrument Landing System | Radio guidance for aircraft approach and landing. | ILS improves pilot accuracy in low visibility. |
| I164 | ITR | Information Technology Resource | Digital assets used within IT operations. | Servers and cloud tools are IT resources. |
| I165 | ISR | Instruction Set Register | Holds instruction for CPU processing. | ISR ensures smooth program execution. |
| I166 | ICM | Internal Combustion Mechanism | Engine system using fuel-air mixture ignition. | ICM powers traditional gasoline vehicles. |
| I167 | IDS | Infrastructure Deployment Strategy | Framework for rolling out large-scale IT systems. | IDS guides cloud infrastructure planning. |
| I168 | IBAN | International Bank Account Number | Standardized global bank account format. | IBAN simplifies international fund transfers. |
| I169 | IDEF | Integration Definition for Function Modeling | Methodology for process modeling and documentation. | IDEF0 diagrams show manufacturing workflows. |
| I170 | IOPS | Input/Output Performance Score | Metric assessing storage system speed. | High IOPS ensures smooth cloud database use. |
| I171 | IOR | Index of Refraction | Ratio describing light speed change in a medium. | IOR defines optical properties of glass. |
| I172 | IRB | Institutional Review Board | Committee overseeing ethical research practices. | IRBs approve clinical study protocols. |
| I173 | ICMR | Indian Council of Medical Research | Apex Indian body for biomedical research. | ICMR conducts vaccine development studies. |
| I174 | ION | Integrated Optical Network | Network combining multiple optical technologies. | ION enhances high-speed data transmission. |
| I175 | IRF | International Road Federation | Promotes safe and sustainable road networks. | IRF advises on highway design standards. |
| I176 | IPU | Image Processing Unit | Hardware for handling visual data computations. | IPUs improve smartphone camera quality. |
| I177 | IOP | Industrial Operation Process | Set of defined production and maintenance steps. | IOP guides factory workflow optimization. |
| I178 | ISFET | Ion-Sensitive Field-Effect Transistor | Sensor used for measuring ion concentration. | ISFETs are common in pH meters. |
| I179 | IFM | Integrated Facility Management | Coordinated approach to building maintenance. | IFM software manages HVAC and energy systems. |
| I180 | IIS | Industrial Internet System | Smart connectivity infrastructure for manufacturing. | IIS enables real-time production analytics. |
| I181 | IWS | Industrial Water System | Infrastructure for water purification and distribution. | IWS supports cooling in power plants. |
| I182 | IGC | Integrated Gasification Combined | Power plant technology converting coal into gas. | IGCC plants produce cleaner electricity. |
| I183 | IPC | International Patent Classification | Categorization system for patents worldwide. | IPC helps identify relevant patent domains. |
| I184 | IHE | Integrating the Healthcare Enterprise | Standard improving healthcare data exchange. | IHE facilitates electronic medical record sharing. |
| I185 | IGP | Interior Gateway Protocol | Routing protocol for internal networks. | OSPF is an example of IGP. |
| I186 | ILEC | Incumbent Local Exchange Carrier | Traditional telephone service provider. | AT&T is a major ILEC in the U.S. |
| I187 | IMU | Inertial Measurement Unit | Measures motion and orientation using sensors. | IMUs stabilize drones and navigation systems. |
| I188 | IWP | Industrial Wastewater Processing | Treatment process for removing pollutants. | IWP systems are used in chemical plants. |
| I189 | IPSec | Internet Protocol Security | Protocol suite securing IP communications. | IPSec protects data in VPN tunnels. |
| I190 | IVD | In Vitro Diagnostic | Medical tests conducted outside the body. | IVD kits are used for blood glucose testing. |
| I191 | IOD | Input/Output Device | Hardware for interacting with computer systems. | Keyboards and monitors are IODs. |
| I192 | IDS | Integrated Detection System | Combined technologies for monitoring threats. | IDS protects industrial sites from intrusion. |
| I193 | ISM | Intelligent System Management | AI-driven control of computing infrastructure. | ISM optimizes energy use in data centers. |
| I194 | IWRM | Integrated Water Resources Management | Framework for sustainable water use. | IWRM coordinates urban and agricultural water systems. |
| I195 | IACS | Institute of Advanced Communication Systems | Research institute for digital and telecommunication systems. | IACS develops next-gen 6G technologies. |
| I196 | IOE | Internet of Everything | Expansion of IoT connecting people, data, and things. | IOE includes connected healthcare ecosystems. |
| I197 | ICAD | Intelligent Computer-Aided Design | AI-assisted design automation tool. | ICAD shortens product design cycles. |
| I198 | ICM | Industrial Cooling Mechanism | System controlling thermal conditions in plants. | ICM manages heat in steel production. |
| I199 | ITSM | IT Service Management | Framework for managing IT service delivery. | ITSM ensures uptime and customer satisfaction. |
| I200 | IMR | Infant Mortality Rate | Demographic measure of infant deaths per 1,000 births. | IMR is used in health system performance studies. |
