Emerging Trends MCQs – Class 12 Web Application (803) | Complete CBSE Preparation
Boost your exam preparation with these Emerging Trends MCQs with Answers. Practice exam-oriented questions on IoT, IIoT, Operating Systems, Cloud Computing, Edge Computing, AI, ML, Digital Marketing and Social Media Etiquettes to build strong concepts and boost your confidence for the board exam.
Q1. A student uses a smart refrigerator that can collect information and exchange it through a network. Which technology best describes this system?
a) Artificial Intelligence
b) Internet of Things
c) Digital Marketing
d) Operating System
Q2. Which term describes internet-connected devices used to perform services supporting our way of life?
a) Cloud Computing
b) Internet of Things
c) Edge Computing
d) Machine Learning
Q3. IoT can be considered the front end of services offered by:
a) Edge Computing
b) Cloud
c) AI
d) Digital Marketing
Q4. Who coined the term “IoT” in 1999?
a) Steve Jobs
b) Kevin Ashton
c) Bill Gates
d) Eric Schmidt
Q5. Which IoT device was introduced first, per the chapter’s history?
a) Vending machine (1982)
b) Toaster (1990)
c) Smart Fridge (2000)
d) Smart Watch (2004)
Q6. Which of these is NOT an advantage of IoT?
a) Improved efficiency
b) Cost savings
c) Job displacement concerns
d) Better decision-making
Q7. Which is a disadvantage of IoT?
a) Automation of tasks
b) Security concerns and hacking
c) Cost savings
d) Better decision-making
Q8. A company uses connected devices to automate routine tasks and reduce operating expenses. Which combination of IoT benefits is being demonstrated?
a) Automation and cost savings
b) Privacy and hacking
c) Limited battery life and dependence
d) Data breaches and job displacement
Q9. Which of the following is a potential disadvantage of IoT?
a) Improved efficiency
b) Better decision-making
c) Security concerns and data breaches
d) Greater accessibility of information
Q10. An IoT-based wearable stops working frequently because its battery gets exhausted quickly. Which limitation does this represent?
a) Privacy issue
b) Limited battery life
c) Data analysis problem
d) Cost saving
Q11. Which of the following is NOT listed as an example of an IoT device?
a) Smart TV
b) Smart lock
c) Smart refrigerator
d) Word processor
Q12. According to the history given in the chapter, the term IoT was associated with Kevin Ashton in:
a) 1982
b) 1990
c) 1999
d) 2007
Q13. Which IoT development is associated with the year 2015?
a) Google Lens
b) Amazon Echo
c) Tesla autopilot
d) Smart TV
Q14. Which of the following was identified as an IoT development in 2014?
a) Smart Watch
b) Amazon Echo
c) Smart TV
d) Google Lens
Q15. A connected healthcare device continuously gathers patient-related information and exchanges it through a network. Which concept is most directly involved?
a) IoT
b) File management
c) Digital marketing
d) Application software
Q16. IIoT stands for:
a) International Internet of Things
b) Industrial Internet of Things
c) Integrated Internet of Things
d) Intelligent Internet of Things
Q17. IIoT is best described as:
a) A replacement for all IoT devices
b) Application of IoT technology in industrial settings
c) A type of mobile operating system
d) A cloud storage service
Q18. A manufacturing company uses sensors and internet-connected machinery to predict equipment failure. Which technology is most appropriate?
a) IIoT
b) Social media
c) iOS
d) Digital marketing
Q19. Which sector is NOT an application area of IIoT?
a) Healthcare
b) Transportation and Logistics
c) Energy and Utilities
d) Personal Gaming
Q20. IIoT can help an organization:
a) Predict equipment failures
b) Remove all network connections
c) Eliminate the need for data
d) Prevent all human interaction
Q21. An operating system primarily acts as:
a) An interface between the user and computer system
b) A replacement for application software
c) A digital marketing platform
d) A cloud storage provider
Q22. Which task is performed by an operating system?
a) File management
b) Designing advertisements
c) Creating social media campaigns
d) Writing news articles
Q23. Which is NOT a function of the Operating System?
a) Memory Management
b) Security
c) Web Designing
d) File Management
Q24. A user starts several programs at the same time. Which OS feature allows multiple programs to run simultaneously?
a) Data protection
b) Multitasking
c) File management
d) Backup
Q25. A student is running a program on a computer. The operating system gives the program the required space in primary memory and releases that space when the program finishes. Which OS function is involved?
a) Memory management
b) Network management
c) Device management
d) File management
Q26. A computer is running several processes at the same time. The operating system determines which process will get CPU time and when it will use the CPU. Which function is responsible for this?
a) File allocation
b) CPU scheduling
c) Data sharing
d) Cloud computing
Q27. A school computer is connected to a printer, but the computer is unable to communicate properly with it. Which OS function is responsible for managing the printer and enabling communication between the device and computer?
a) Device management
b) Memory management
c) File management
d) Backup and recovery
Q28. A student creates a new folder, saves several files in it, and later deletes one of the files. Which OS function is responsible for managing these files and directories?
a) Network management
b) File management
c) Processor management
d) Memory management
Q29. Due to a system failure, a student loses access to some important data. The operating system provides facilities to restore the backed-up information. Which OS function is involved?
a) Backup and recovery
b) Multitasking
c) Device management
d) CPU scheduling
Q30. A computer in a school is connected to multiple devices and programs. The operating system manages and allocates resources so that they can be effectively shared among different processes. Which advantage of an OS is demonstrated?
a) Resource sharing
b) Increased data breaches
c) Reduced accessibility
d) Vendor lock-in
Q31. A student is simultaneously working on a presentation, listening to music and using a web browser. The operating system efficiently allows all these programs to run together. Which OS feature is being demonstrated?
a) Multitasking
b) Data protection
c) Backup
d) Networking
Q32. An air traffic control system must respond to events within predictable time constraints. Which OS type is most suitable?
a) Single-user OS
b) Real-time OS
c) Mobile OS
d) Application software
Q33. An OS designed to support one user at a time is called:
a) Multi-user OS
b) Single-user OS
c) Real-time OS
d) Network OS
Q34. Linux and Unix are given as examples of:
a) Single-user operating systems
b) Multi-user operating systems
c) Mobile operating systems
d) Application software
Q35. Android is an example of:
a) Mobile operating system
b) Application software
c) Real-time OS only
d) Cloud computing
Q36. Mobile operating systems are generally designed to be:
a) Heavy and resource-intensive
b) Lightweight and energy-efficient
c) Independent of hardware
d) Used only on desktops
Q37. Which software acts as an interface between the system and applications?
a) System software
b) Application software
c) Digital marketing software
d) Web-based advertising
Q38. Which of the following is an example of application software?
a) Android
b) Windows
c) Word processor
d) macOS
Q39. Which statement about Application Software is correct?
a) Installed at the time of installing the OS
b) Computer cannot work without it
c) Can be installed as and when required
d) Has maximum involvement in system functioning
Q40. Which statement is correct?
a) Application software provides the platform on which applications run
b) System software is responsible for the working of the system
c) Application software must always be installed with the OS
d) System software is designed only for games
Q41. Cloud computing provides services such as servers, storage, databases and networking:
a) Only through local computers
b) Over the Internet
c) Only through printers
d) Without any network
Q42. Which of the following is a major characteristic of cloud computing?
a) Resources are available on demand
b) Resources must always be purchased physically
c) Data cannot be accessed remotely
d) Users must manage all hardware directly
Q43. A company needs extra storage during a period of high demand but does not want to build permanent physical infrastructure. Which cloud benefit is most relevant?
a) Scalability and flexibility
b) Limited battery life
c) Cyberbullying
d) CPU scheduling
Q44. Which cloud benefit allows organizations to pay for resources they actually use?
a) Cost savings
b) Multitasking
c) Device management
d) Privacy protection
Q45. A team located in different cities works on shared cloud data from different devices. Which cloud benefit is demonstrated?
a) Better collaboration
b) Vendor lock-in
c) Limited connectivity
d) CPU scheduling
Q46. According to the chapter, Google Drive provides how much free storage through Google One?
a) 5 GB
b) 10 GB
c) 15 GB
d) 50 GB
Q47. Which cloud service was launched as part of Microsoft’s Office Online services?
a) OneDrive
b) Dropbox
c) iCloud
d) Google Drive
Q48. Which service is associated with Apple and allows users to store documents, photos and music on remote servers?
a) Dropbox
b) iCloud
c) OneDrive
d) Google Drive
Q49. Which cloud limitation occurs when an organization finds it difficult to transfer services from one cloud provider to another?
a) Internet connectivity
b) Vendor lock-in
c) Multitasking
d) Data sharing
Q50. Cloud computing can strengthen security through:
a) Automatic maintenance and centralized management
b) Removal of all passwords
c) Elimination of Internet access
d) Permanent local storage only
Q51. Dropbox was created by:
a) Google employees
b) Two MIT students
c) Apple engineers
d) Microsoft team
Q52. How much free storage does OneDrive offer?
a) 15 GB
b) 10 GB
c) 5 GB
d) 2 GB
Q53. Edge computing mainly processes data:
a) Only in a centralized cloud
b) Near the location where data is generated
c) Only on remote servers
d) Only after several days
Q54. Which type of computing is better suited for real-time processing?
a) Edge computing
b) Cloud computing
c) Digital marketing
d) Application software
Q55. Cloud computing is better suited for:
a) Time-sensitive local processing only
b) Processing voluminous information that is not time-sensitive
c) Managing social media etiquette
d) CPU scheduling
Q56. A traffic system needs immediate analysis of traffic flow near an intersection. Which approach is more suitable?
a) Edge computing
b) Cloud storage only
c) Digital marketing
d) File management
Q57. Which of the following is mentioned as an example of edge computing?
a) Drone-enabled crop management
b) Word processing
c) Social media posting
d) Email marketing
Q58. The key difference between edge computing and cloud computing is:
a) Cost
b) Responsiveness
c) File format
d) Operating system
Q59. IoMT stands for:
a) Internet of Machine Technology
b) Internet of Medical Things
c) Internet of Mobile Technology
d) Internet of Management Tools
Q60. IoMT devices use a secure network to share data between:
a) Patients, clinicians and medical devices
b) Students, teachers and printers
c) Advertisers and customers only
d) Developers and gamers
Q61. AI attempts to mimic cognitive functions such as:
a) Learning and problem solving
b) File deletion and formatting
c) Printing and scanning
d) Data storage only
Q62. Which of the following is an application of AI?
a) Google Maps
b) Dropbox
c) OneDrive
d) iCloud
Q63. Facial detection and recognition is presented as an application of:
a) AI
b) Cloud storage only
c) Operating systems
d) Digital marketing only
Q64. Machine Learning allows a machine to:
a) Automatically learn from past data without explicit programming
b) Work without any data
c) Replace the operating system
d) Eliminate all cloud services
Q65. Targeted advertisements and online recommendations are examples of:
a) Machine Learning
b) File management
c) Edge computing only
d) Operating system functions
Q66. Which of the following is an application of Machine Learning?
a) Self-driving cars
b) File deletion
c) Memory allocation
d) Printer management
Q67. Which is NOT a category of AI?
a) Weak
b) General
c) Strong
d) Supervised
Q68. Which is a category of learning in ML?
a) Weak learning
b) Strong learning
c) Supervised learning
d) General learning
Q69. Which technology’s goal is to maximize the chances of success?
a) Machine Learning
b) Artificial Intelligence
c) Cloud Computing
d) Edge Computing
Q70. Which is the first step in the 7 basic steps of ML?
a) Data Preparation
b) Data Collection
c) Choose a Model
d) Train a Model
Q71. Which is the last step in the 7 basic steps of ML?
a) Parameter Tuning
b) Evaluate the Model
c) Make Predictions
d) Train a Model
Q72. Which set correctly represents the three categories of learning in ML given in the chapter?
a) Supervised, Unsupervised, Reinforcement
b) Weak, General, Strong
c) Local, Remote, Hybrid
d) Digital, Social, Mobile
Q73. Digital marketing primarily means:
a) Using digital channels to market products
b) Selling only through newspapers
c) Managing computer memory
d) Controlling printers
Q74. Which of the following is a digital marketing channel mentioned in the chapter?
a) Search engines
b) CPU scheduling
c) File directories
d) Device drivers
Q75. A business uses social media and email to connect with potential customers. This is an example of:
a) Digital marketing
b) Edge computing
c) IoT
d) Operating system management
Q76. Which is NOT a form of digital marketing?
a) Search engines
b) Text messaging
c) Print newspaper ads
d) Social media
Q77. Which is a benefit of digital marketing?
a) It can reach a larger customer base regardless of location
b) It can only reach local customers
c) It does not provide analytics
d) It requires only traditional media
Q78. Which action follows social media etiquette?
a) Sharing someone’s photograph without permission
b) Using strong passwords and privacy settings
c) Sharing your home address publicly
d) Accepting every stranger’s request
Q79. A student receives a friend request from someone unknown in real life. According to the chapter, the student should:
a) Accept it immediately
b) Share personal information
c) Avoid connecting with the stranger
d) Send their phone number
Q80. Repeatedly sending messages to someone without allowing them time to respond is:
a) Cloud computing
b) Spamming
c) Digital marketing
d) IoT
Q81. Why can rumours on social media be dangerous?
a) They always undergo verification before spreading
b) They can spread quickly and cause social damage
c) They cannot reach many people
d) They are automatically deleted
Q82. Etiquette refers to:
a) Technical coding rules
b) Conventional requirements as to social behavior
c) Cloud storage rules
d) Machine learning rules
Q83. The main goal of netiquette on social media is to:
a) Increase followers
b) Treat others with respect and protect IP rights
c) Post as much as possible
d) Share personal data freely
Q84. Rumors spread through social media can lead to:
a) Increased trust
b) Depression, hostilities, and riots
c) Better communal harmony
d) Improved decision-making
Q85. Why do rumors spread quickly and cause damage on social media?
a) Due to regulation and fact-checking
b) There is no regulation or self-checking mechanism
c) Platforms verify all content
d) Users always check facts first
Q86. Which advantage is listed for Cloud Computing regarding security?
a) It weakens security
b) It can strengthen security due to advanced features and centralized management
c) It has no security features
d) Security is irrelevant to it