Prepare effectively with this CBSE Web Application Class 12 sample paper based on Chapter 1 – Emerging Trends. Includes 30 important questions and answers strictly from the NCERT textbook, following the CBSE exam pattern.
Chapter 1: Emerging Trends – Questions and Answers (CBSE Pattern)
Table of Contents
1 Mark Questions,CBSE Web Application class 12 sample paper, Emerging Trends
- What does IoT stand for?
Answer: IoT stands for Internet of Things.
- Name any two IoT-based devices used in smart homes.
Answer: Smart bulbs and smart thermostats.
- Define Embedded Operating System.
Answer: An Embedded Operating System is designed to operate on small machines like washing machines or ATMs with limited computing resources.
- Which OS type is used in smartwatches and home automation devices?
Answer: Embedded Operating System.
- What is Cloud Computing?
Answer: Cloud Computing means storing and accessing data and programs over the Internet instead of your computer’s hard drive.
- Mention one advantage of Edge Computing.
Answer: Edge computing provides faster response time as data is processed near the source.
- Define Artificial Intelligence in one line.
Answer: Artificial Intelligence is the ability of a machine to mimic human intelligence.
- What is Machine Learning?
Answer: Machine Learning is a subset of AI where machines are trained to learn from data and improve over time.
- Give one real-life example of Artificial Intelligence.
Answer: Voice assistants like Alexa or Siri.
- Mention one important social media etiquette everyone should follow.
Answer: Be polite and respectful in online communication.
2 Mark Questions : CBSE Web Application class 12 sample paper
- Write any two uses of IoT in daily life.
Answer: (i) Smart homes,
(ii) Smart agriculture.
- Write any two differences between general-purpose OS and real-time OS.
Answer: General-purpose OS handles various tasks; Real-time OS responds instantly. General-purpose OS is for PCs; Real-time is used in embedded systems.
- List two advantages of Cloud Computing.
Answer: (i) Easy accessibility,
(ii) Cost-effective data storage.
- Mention two applications of Edge Computing.
Answer: (i) Smart traffic systems,
(ii) Health monitoring devices.
- Differentiate between AI and ML in any two points.
Answer: AI is broader; ML is a subset. AI includes decision-making; ML is learning from data.
- Write two etiquettes to follow while using social media platforms.
Answer: (i) Avoid cyberbullying,
(ii) Do not share fake news.
- Mention any two key features of Cloud Computing.
Answer: (i) Data is available anywhere anytime,
(ii) No need to carry external storage.
- State any two areas where Artificial Intelligence is widely used.
Answer: (i) Healthcare diagnostics,
(ii) Self-driving cars.
- What do you mean by Real-Time Operating System? Give one example.
Answer: An RTOS is designed to serve real-time applications like robots. Example: VxWorks.
- List two reasons why Social Media Etiquettes are important.
Answer: (i) Maintains online reputation,
(ii) Promotes safe and positive digital communication.
3 Mark Questions : CBSE Web Application class 12 sample paper
- Explain any three types of Operating Systems mentioned in your book.
Answer: (i) Single-user OS (e.g., Windows),
(ii) Multi-user OS (e.g., UNIX),
(iii) Real-time OS (e.g., RTLinux).
- Write any three points to explain the difference between Edge Computing and Cloud Computing.
Answer: Cloud processes data in data centers; Edge processes data near the source. Cloud has higher latency; Edge is faster. Cloud depends on the internet; Edge can work offline.
- Explain three benefits of using IoT in agriculture or health.
Answer: (i) Automated irrigation in agriculture,
(ii) Health monitoring devices,
(iii) Livestock tracking.
- What are the three main objectives of following Social Media Etiquettes?
Answer: (i) Avoiding misuse of social platforms,
(ii) Preventing fake news spread,
(iii) Encouraging respectful communication.
- How is Artificial Intelligence helping in modern industries? Mention three uses.
Answer: (i) Predictive maintenance in manufacturing,
(ii) Chatbots in customer service,
(iii) Fraud detection in finance.
5 Mark Questions : CBSE Web Application class 12 sample paper
- What is the Internet of Things (IoT)? Explain how it works with the help of a labelled diagram. Also list any three advantages.
Answer: IoT is a network of devices connected to the internet that collect and share data. It works by sensors sending data to cloud platforms for processing. Diagram: as shown in textbook. Uses:
(i) Smart homes,
(ii) Smart farming,
(iii) Smart healthcare.
- What are the different types of Operating Systems? Explain any four with suitable examples.
Answer: (i) Single-user OS – for one person (e.g., Windows),
(ii) Multi-user OS – supports many users (e.g., UNIX),
(iii) Real-time OS – used in embedded systems (e.g., RTLinux),
(iv) Network OS – manages network resources (e.g., Novell NetWare).
- Define Cloud Computing and Edge Computing. Explain three differences between them and mention one example each.
Answer: Cloud Computing processes data centrally, while Edge Computing processes data locally. Differences:
(i) Location of data processing,
(ii) Latency,
(iii) Dependence on internet.
Example: Cloud – Google Drive, Edge – CCTV system with on-device processing.
- What is Artificial Intelligence? How is Machine Learning different from it? Mention three real-world applications of AI.
Answer: AI allows machines to mimic human thinking. ML is a part of AI focused on learning from data. Examples:
(i) AI – Voice assistants,
(ii) ML – Product recommendations,
(iii) AI – Face recognition.
- What are Social Media Etiquettes? Explain any five important etiquettes that every internet user should follow.
Answer: Social Media Etiquettes are good practices while using online platforms. Five etiquettes:
(i) Be respectful,
(ii) Do not post false information,
(iii) Avoid cyberbullying,
(iv) Respect others’ privacy,
(v) Use strong passwords and privacy settings.
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