Emerging Chapter Trends | Class 11 Informatics Practices Notes
By ConceptScroll Team · Published on 17 July 2026 · 3 min read
Emerging Chapter Trends – this guide gives you a concise, exam-ready overview of Emerging Chapter Trends from Class 11 Informatics Practices, written by ConceptScroll editors and reviewed against the latest NCERT textbook.
2.5.1 Cloud Services
Cloud services are categorized into three standard models based on the type of resources provided: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). IaaS offers computing infrastructure such as servers, virtual machines, storage, and networking components, allowing users to deploy and manage software applications remotely, paying only for what they use. PaaS provides a platform or environment for developers to build, test, and deploy applications without managing underlying hardware or software. For example, a developer can use a pre-configured cloud server with necessary software pre-installed to run web applications. SaaS delivers application software on-demand, accessible via the Internet, eliminating the need for installation or maintenance by users. Examples include Google Docs and Microsoft Office 365. These models reduce costs, complexity, and provide scalability, making cloud computing accessible to individuals and organizations of all sizes.
📊 Diagram: Figure 2.12 illustrates the three cloud service models and their respective offerings.
🔗 Connection: Introduces Grid Computing, contrasting cloud services with distributed computing models.
Frequently asked questions
1. List some of the cloud-based services that you are using at present.
Cloud-based services commonly used include email services like Gmail, cloud storage services like Google Drive or Dropbox, streaming services like Netflix, online office suites like Microsoft Office 365, and social media platforms like Facebook or Instagram. These services are accessed over the internet and provide storage, computing, or application services without the need for local installation.
2. What do you understand by the Internet of Things? List some of its potential applications.
The Internet of Things (IoT) refers to the network of physical objects embedded with sensors, software, and other technologies to connect and exchange data with other devices and systems over the internet. Potential applications include smart homes (e.g., smart thermostats, lighting), healthcare (remote patient monitoring), smart cities (traffic management, waste management), agriculture (soil sensors, irrigation control), and industrial automation.
3. Write a short note on the following: a) Cloud computing b) Big data and its characteristics
a) Cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale.
b) Big data refers to extremely large data sets that may be analyzed computationally to reveal patterns, trends, and associations. Its main characteristics are often described as the 5 Vs: Volume (large amounts of data), Velocity (speed of data in a
4. Explain the following along with their applications. a) Artificial Intelligence b) Machine Learning
a) Artificial Intelligence (AI) is the simulation of human intelligence processes by machines, especially computer systems. Applications include speech recognition, natural language processing, robotics, expert systems, and autonomous vehicles.
b) Machine Learning (ML) is a subset of AI that enables systems to learn and improve from experience without being explicitly programmed. Applications include recommendation systems, fraud detection, image and speech recognition, and predictive analytics
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