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Applications of Information and Communication Technologies

Applications of Information and Communication Technologies

Introduction

Develop practical digital literacy and responsible use of communication technologies.

Topic-Wise Course Outline

  • ICT hardware, software, networks and cloud storage
  • Productivity tools, email, collaborative documents and video meetings
  • Applications in education, health, commerce and finance
  • Digital citizenship, safety and online identity
  • Copyright, plagiarism and ethical ICT practices

Study Guidance

Begin with key concepts and clear definitions. Practise each topic using examples and independent exercises. Topic-wise MCQs, short questions and worked solutions will be added after verification.

Explore Computer Science Subjects

Practice MCQs — Set 1 (Questions 1–10)

Choose the best answer, then open the explanation to check your reasoning.

Question 1. What is the primary purpose of a spreadsheet formula?

  1. To calculate a value from data and references
  2. To physically repair a damaged computer
  3. To change an internet domain name
  4. To configure a router’s MAC address
Show correct answer and explanation

Correct answer: A. To calculate a value from data and references

A spreadsheet formula computes a result using values, cell references and functions. It can recalculate automatically when dependent data change.

Question 2. Which email practice reduces the risk of phishing?

  1. Turn off spam filtering permanently
  2. Verify unexpected links and requests through a trusted channel
  3. Open every attachment immediately
  4. Share passwords to confirm identity
Show correct answer and explanation

Correct answer: B. Verify unexpected links and requests through a trusted channel

Suspicious messages can impersonate known contacts. Confirming sensitive requests through an independently trusted method reduces social-engineering risk.

Question 3. What is cloud-based document collaboration?

  1. Copying passwords into every file
  2. Disabling version history
  3. Several authorized users working on shared online documents
  4. A rule requiring paper-only records
Show correct answer and explanation

Correct answer: C. Several authorized users working on shared online documents

Online collaboration tools let authorized participants edit and comment on shared files. Permissions and version history support coordinated work.

Question 4. What does accessibility in an ICT system aim to achieve?

  1. Restrict interfaces to one screen size
  2. Remove keyboard navigation
  3. Require every user to see identical colors
  4. Make content usable by people with different abilities and assistive technologies
Show correct answer and explanation

Correct answer: D. Make content usable by people with different abilities and assistive technologies

Accessible design considers keyboard access, text alternatives, contrast and clear structure. It improves usability for diverse users.

Question 5. Which file format is designed to represent structured tabular data as plain text?

  1. CSV
  2. PNG
  3. MP3
  4. JPEG
Show correct answer and explanation

Correct answer: A. CSV

CSV stores rows and fields using delimiters such as commas. It is widely used for exchanging simple tables between systems.

Question 6. Why are strong, unique passwords recommended for online services?

  1. They prevent every form of online fraud
  2. They reduce the chance that one compromised credential opens multiple accounts
  3. They eliminate the need for multifactor authentication
  4. They never need secure storage
Show correct answer and explanation

Correct answer: B. They reduce the chance that one compromised credential opens multiple accounts

Reusing a password allows credential stuffing across different services. Unique credentials limit this cascading risk.

Question 7. What is a learning management system (LMS) commonly used for?

  1. Replacing all internet connectivity
  2. Encrypting operating-system kernels
  3. Delivering and tracking course content, assignments and assessments
  4. Manufacturing microprocessors
Show correct answer and explanation

Correct answer: C. Delivering and tracking course content, assignments and assessments

An LMS supports activities such as distributing materials, collecting assignments and tracking student progress. Different platforms offer different tools.

Question 8. What is a digital footprint?

  1. A physical shoe impression
  2. A type of data-center cooling device
  3. A guaranteed anonymous profile
  4. Information about a person’s activities and presence in digital systems
Show correct answer and explanation

Correct answer: D. Information about a person’s activities and presence in digital systems

Online posts, account interactions and service records can contribute to a digital footprint. Privacy settings and careful sharing affect what is exposed.

Question 9. What is video conferencing primarily used for?

  1. Real-time audio and video communication among participants
  2. Long-term archival storage only
  3. Replacing every text document
  4. Creating physical network cables
Show correct answer and explanation

Correct answer: A. Real-time audio and video communication among participants

Video conferencing supports live remote meetings and classes. Network quality and accessibility features influence the experience.

Question 10. Why is data backup important for an organization?

  1. It guarantees all files remain identical forever
  2. It provides recovery options after accidental loss or damage
  3. It makes every software system immune to attacks
  4. It removes the need for permissions
Show correct answer and explanation

Correct answer: B. It provides recovery options after accidental loss or damage

Backups create recoverable copies of important information. Regular restore testing is necessary to verify that they can actually be used.

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