Class 11 · Informatics Practices worksheet

Emerging Trends

CBSE Informatics Practices. AI, machine learning and NLP, AR and VR, robotics, big data and its five Vs, IoT, sensors and smart cities, cloud services (IaaS, PaaS, SaaS), grid computing and blockchains. Every sheet has 20 questions in three sections and an answer key, and the questions change every time.

Open a printable sample sheet

Sample questions

Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.

Section A · multiple choice

1.
Machine learning is a part of artificial intelligence in which:
1. machines are built only from metal parts
2. data is deleted after use
3. computers follow only fixed rules typed by people
4. computers learn patterns from data and improve with experience
Answer
(d) computers learn patterns from data and improve with experience
2.
Digital objects are laid over the real world seen through a phone camera. Which technology is this?
1. augmented reality
2. big data
3. grid computing
4. blockchain
Answer
(a) augmented reality
3.
Which cloud service model is an online environment for writing, testing and deploying code without managing servers?
1. SaaS
2. IaaS
3. PaaS
4. DaaS (Desktop as a Service)
Answer
(c) PaaS

Section B · short answer

4.
What is artificial intelligence? Give one everyday example.
Answer
The ability of machines to do tasks that need human-like intelligence, such as recognising speech; e.g. a map app suggesting a faster route.
5.
Name the cloud service model (IaaS, PaaS or SaaS): (a) hiring virtual machines to run a school’s own website software (b) a service that runs a developer’s code and provides its database, without the developer setting up servers
Answer
(a) IaaS; (b) PaaS

Section C · long answer

6.
Explain machine learning and natural language processing as parts of AI, with an example of each.
Answer
Machine learning: systems learn from data and improve, e.g. a filter that learns which emails are spam. NLP: computers understand and produce human language, e.g. voice assistants, automatic translation, chatbots.

Fresh sheets for your child

In the app, every Emerging Trends sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.

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