Information Technology

Free IT study notes for JAIIB, CAIIB and bank IT-officer exams — databases and SQL, computer networks, cybersecurity, cloud computing, AI and emerging technology, explained simply.


  • RBI Cybersecurity Framework for Banks

    The RBI Cyber Security Framework is a set of mandatory guidelines issued by the Reserve Bank of India to protect banks and…

  • Payment Security

    💳 Payment Security Complete Study Notes for Banking, SSC, UPSC, Government & Railway Competitive Exams 🇮🇳 India-Specific: UPI, RBI, NPCI 📊 All…

  • Cybersecurity in Indian Banking and RBI Guidelines

    Home/ Information Technology/ Cybersecurity in Banking GyanDesk · BFSI & Compliance Cybersecurity in Indian Banking & RBI Guidelines. A focused study guide…

  • Emerging Technologies Unveiled: AI, ML, Blockchain & More

    Home/ Information Technology/ Emerging Technologies GyanDesk · Future Tech Emerging Technologies: AI, ML, Blockchain & more. The breakthroughs redefining computing — artificial…

  • Software Development Insights and Tools

    Instagram X TikTok Related notes More free study notes in Information Technology — all part of the GyanDesk study library. Software Development…

  • Wireless Networks

    A Wireless Network is a network where devices connect to each other without cables.They use radio waves, microwaves, or infrared signals to…

  • Notes on IT, Banking, and General Awareness

    IT Domain Key Concepts Programming and Security Databases and Networking Unit Symbol Size (in bytes) Bit b Smallest unit of data Byte…

  • Service Management Tools

    1. What Are Service Management Tools? 2. Key Features of Service Management Tools 3. Popular Service Management Tools Tool Name Features Why…

  • Project Lifecycle Phases

    1. Initiation Phase 2. Planning Phase 3. Execution Phase 4. Monitoring & Controlling Phase 5. Closure Phase Quick Mnemonic to Remember the…

  • Strategic IT planning and alignment with business goals.

    Strategic IT Planning Strategic IT planning ensures that IT investments, resources, and initiatives are aligned with the organization’s long-term goals and objectives.…

  • IT Management

    1. IT Governance and Strategy 2. Project Management 3. Software Development and Lifecycle (SDLC) 4. IT Operations and Service Management 5. IT…

  • Project Management

    IT project management MCQs 1. What is the primary goal of IT project management? A. To implement the latest technology trends.B. To…

  • Firewalls, VPNs, and proxies

    1. Firewalls A security device (hardware or software) that monitors and filters network traffic based on security rules. Types of Firewalls Type…

  • RIP, OSPF, and BGP protocols

    Routing protocols help routers automatically learn and update routes.The three most important routing protocols are: These represent distance-vector, link-state, and path-vector protocols.…

  • Static vs Dynamic routing

    🌟 1. What is Routing? ✔ Routing is the process of finding the best path for data packets to travel across networks.✔…

  • Parity bits, CRC (Cyclic Redundancy Check), and Hamming code

    When data is sent over a network or stored on a device, errors can occur. To detect or correct these errors, different…

  • LAN, WAN, and MAN Characteristics and Applications

    1. LAN (Local Area Network) 2. WAN (Wide Area Network) 3. MAN (Metropolitan Area Network) Comparison Table: Feature LAN MAN WAN Coverage…

  • Role of DNS in Domain Name Resolution

    MCQ Basic DNS Concepts How DNS Works DNS Records DNS Operations and Features DNS Security Advanced Concepts Related notes More free study…

  • HTTP/HTTPS methods (GET, POST, PUT, DELETE)

    1. What is HTTP/HTTPS? HTTP (HyperText Transfer Protocol) HTTPS (HTTP Secure) Purpose of both:To send and receive data between client (browser/app) and…

  • Basics of QoS and its importance in networks

    1. What is QoS? 2. Why is QoS Important in Networks? 3. Key QoS Parameters Parameter Description Bandwidth Maximum data transfer rate…

  • Bandwidth Management Techniques

    1. What is Bandwidth Management? Bandwidth management involves optimizing the use of network bandwidth to ensure efficient data transfer and avoid congestion.…

  • Mobile App Development

    Android Development iOS Development General Mobile Development Related notes More free study notes in Information Technology — all part of the GyanDesk…

  • Encryption, Hashing, Digital Certificate

    🔐 Encryption, Hashing & Digital Certificates Complete Study Notes for Government, Banking, SSC, UPSC, Railway & Other Competitive Exams 📊 All Key…

  • Switching Techniques: Circuit Switching, Packet Switching, and Message Switching

    1. Circuit Switching 2. Packet Switching 3. Message Switching Quick Recap Table Feature Circuit Switching Packet Switching Message Switching Path Dedicated Shared…