Emerging Trends Web Application Code 803 Class 12 NCERT Book Solution
Unit 1 – Emerging Trends
I. Multiple Choice Questions
1. Which of the following statements is true about Artificial Intelligence?
a. AI is any machine that exhibits traits associated with a human mind such as learning and problem-solving.
b. AI is the ability of a machine to rationalize and take actions that have the best chance of achieving a specific goal.
c. Artificial Intelligence is used to create machines that mimic important cognitive functions
d. All of the above
2. Which of these is not an application of Artificial Intelligence?
a. Plotting Graphs using data
b. Google Maps
c. Facial Detection and Recognition
d. Autocorrection and text editors
3. Which of the following statements is NOT true about Machine Learning?
a. It is a method of data analysis using computer algorithms that automates analytical model building
b. Artificial Intelligence is a branch of Machine Learning
c. There are 7 basic steps in Machine learning
d. Deep understanding of the human genome
4. Which of the following is not a service provided by Cloud?
a. Storage
b. Databases
c. Wi-fi
d. Software
5. Which of these services allow users to store files on their servers, synchronize files across devices, and share files?
a. Google Drive
b. iCloud
c. OneDrive
d. All of these
6. Which of the following is not an operating system?
a. Windows
b. Linux
c. Oracle
d. DOS
7. The internet-connected devices we use to perform services and processes that support our way of life is called:
a. Machine Learning
b. Cloud Computing
c. Internet of Things
d. Artificial Intelligence
8. Which of the following is NOT an example of Application software?
a. Android
b. Photoshop
c. MS-Word
d. GIMP
9. The primary purpose of an operating system is:
a. To make the most efficient use of the computer hardware
b. To allow people to use the computer,
c. To keep systems programmers employed
d. To make computers easier to use
10. Which of the following is the correct depiction of Digital Marketing?
a. E-mail Marketing
b. Social Media Marketing
c. Web Marketing
d. All of the above
11. Which of the following is incorrect about digital marketing?
a. Digital marketing can only be done offline.
b. Digital marketing cannot be done offline.
c. Digital marketing requires electronic devices for promoting goods and services.
d. In general, digital marketing can be understood as online marketing, web marketing, and email marketing.
12. In order to protect privacy and safety, you should:
a. Use a pseudonym to protect your identity.
b. Refrain from posting any information about where you are.
c. Be cautious to not reveal personal and private details, especially concerning other people.
d. Don’t worry about this – hackers and criminals don’t use social media.
13. Ways to try to stop cyberbullying include:
a. Not replying to hurtful messages or posts.
b. Reporting the bullying behavior to someone who can help, like a parent or teacher.
c. Saving evidence of unwanted messages which can be used by a trusted adult or the police to help stop the cyberbullying behavior.
d. All of the above
14. Some of the social media etiquettes that students should follow are:
a. To Post or not to Post
b. Respect others privacy
c. Make a strong password
d. All of the above
15. Career opportunities that cannot be pursued in digital marketing
a. Influencer
b. Content creator
c. Chef
d. Ecommerce Manager
II. Very Short Answer Questions
Que 1: List some common applications of Artificial Intelligence and Machine Learning.
Ans: Common applications of AI and ML are –
AI is used in Google Maps, face recognition, autocorrect, etc.
ML helps Netflix, Amazon suggest shows or products based on your activity.
Que 2: What is IoT? Give some examples of IoT devices.
Ans: Internet of Things is about smart devices connected to the internet and each other. For example, Alexa, Smart TV, Smart fridge, etc.
Que 3 : What is an Operating system? Give some examples of OS used in mobile devices.
Ans: An Operating System (OS) is an interface between a user and computer system. It is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
Examples of Mobile Operating system: Android OS, Blackberry OS, iPhone OS /iOS, Symbian OS, Windows Mobile OS
Que 4: Differentiate between Application Software and System Software.
Ans:
| Application Software | System Software |
|---|---|
| This is designed directly from the user perspective. | This acts as an interface between the system and the applications |
| They have minimum involvement in the processing and functioning of the computer device | These are responsible for the working of the system. |
| These are independent applications which can be download and installed in the system. | It is the platform that allows the various application software to run on the system |
| The application software can be installed as and when the user requires them. | The system software is installed at the time of installing the operating system. A computer device cannot work without its presence. |
What is cloud computing?
Differentiate between AI and ML.
What is digital marketing? List some of the career options one can pursue in
digital marketing.
Explain the terms: Artificial Intelligence and Machine Language.
Explain any 2 cloud storage providers.
Why is it harmful to spread rumors on social media?