Exploring the Benefits and Risks of Computer Usage Computer Studies JSS 1 Third Term Lesson Notes

Subject: Computer Studies
Class: JSS 1
Term: Third Term
Week: 6
Topic: Understanding the Advantages and Disadvantages of Computers

Sub-topic: Exploring the Benefits and Risks of Computer Usage

Duration: 1 week

Behavioural Objectives:

  • Understand the advantages and disadvantages of computers.
  • Recognize the impact of computer usage on society, economy, and health.
  • Learn how to mitigate health risks associated with prolonged computer usage.

Key Vocabulary Words:

  1. Computers
  2. Data processing
  3. Unemployment
  4. Data security
  5. Privacy violation
  6. Health risks

Learning Resources and Materials:

  • Textbooks: Lagos State Scheme of Work, Computer Studies textbooks
  • Visual aids: Charts, diagrams, infographics
  • Interactive activities: Group discussions, role-plays

Building Background / Connection to Prior Knowledge:

  • Recap previous lessons on computer basics and functions.
  • Discuss real-life examples of computer usage in various fields.

Embedded Core Skills:

  • Critical thinking: Analyzing the advantages and disadvantages of computers.
  • Communication: Participating in group discussions and presentations.
  • Problem-solving: Identifying solutions to mitigate health risks associated with computer usage.


  1. Introduction to the topic: Understanding the role of computers in modern society.
  2. Advantages of Computers: Exploring how computers enhance efficiency, data processing, and job quality.
  3. Disadvantages of Computers: Discussing the negative impact of computers on employment, data security, privacy, and health.
  4. Health Risks: Identifying common health problems associated with prolonged computer usage.
  5. Mitigation Strategies: Learning how to minimize health risks through proper posture and regular breaks.


  1. Speed: Computers process data faster than humans.
  2. Access: Easy access to stored information in resource centers.
  3. Accuracy: Computers process data with high accuracy.
  4. Capacity: Can handle large volumes of transactions efficiently.
  5. Reliability: Computers are reliable in their tasks.
  6. Storage: They have large storage capacity.
  7. Quality: Improve job quality.
  8. Efficiency: Information stored can be used for various purposes.


  1. Unemployment: Automation leads to job loss.
  2. Wastage: Excessive gaming and chatting waste time and energy.
  3. Data Security: Risk of unauthorized access to stored data.
  4. Crimes: Computers are used for hacking and stealing data.
  5. Privacy: Personal data stored can be violated if not protected.
  6. Health Risks: Prolonged usage can cause injuries or health issues. 🖥️



  1. Computers are widely used for data processing because they possess certain advantages over manual labour by humans.
  2. Computer can be used to process data at a faster speed.
  3. Increased access to the information stored in the resource centre.
  4. Process data at an accurate rate.
  5. It can be used to process a very large volume of transaction no matter how complex it may appear.
  6. Reliable in its work.
  7. It has a large storage capacity
  8. It provides a better job quality.
  9. Increased efficiency – information stored on a computer database can be used for different purposes.



Different tasks are performed automatically by using computers. It reduces the need of people and increases unemployment in society.

Wastage of Time and Energy

Many people use computers without positive purpose. They play games and chat for a long period of time. It causes wastage of time and energy. Young generation is now spending more time on the social media websites like Facebook, Twitter etc or texting their friends all night through smartphones which is bad for both studies and their health and it also has adverse effects on the social life.

Data Security

The data stored on a computer can be accessed by unauthorized persons through networks. It has created serious problems for the data security.

Computer Crimes

People use the computer for negative activities. They hack the credit card numbers of the people and misuse them or they can steal important data from big organizations.

Privacy Violation

The computers are used to store personal data of the people. The privacy of a person can be violated if the personal and confidential records are not protected properly.

Health Risks

The improper and prolonged use of computer can results in injuries or disorders of hands, wrists, elbows, eyes, necks and backache . The users can avoid health risks by using the computer in proper position. They must also take regular breaks while using the computer for longer period of time. It is recommended to take a couple of minutes break after 30 minutes of computer usage.


  1. Define data security
  2. State the problems associated to data security.
  3. State four advantages of computer
  4. State two disadvantages of computer.


  1. The following are the advantages of computer a)it has high speed b) better job qualities c) reliability d)all of the above
  2. Prone to fraud is one of the disadvantages of using computer a) true b) false c) none of the above
  3. The use of computer creates unemployment a) true b) false c) none of the above
  4. Computers can be used for electronic advertising in form of electronic bill board a) true b) false c)none of the above
  5. One of the following is not a disadvantage of computer. (a) health risks (b) privacy violation (c) unemployment (d) reliability
  6. Computers are widely used for data processing due to their advantages over manual ____.
    a) labor
    b) machine
    c) technology
    d) process
  7. Computers process data at a ____ speed compared to humans.
    a) slower
    b) faster
    c) similar
    d) variable
  8. Increased access to information stored in the resource center is an ____ of computers.
    a) advantage
    b) disadvantage
    c) obstacle
    d) feature
  9. Computers process data with high ____.
    a) accuracy
    b) inaccuracy
    c) uncertainty
    d) speed
  10. Computers can handle a very large volume of transactions ____ of their complexity.
    a) irrespective
    b) regardless
    c) without
    d) despite
  11. ____ in its work, computers are dependable for various tasks.
    a) Inconsistent
    b) Unreliable
    c) Reliable
    d) Unstable
  12. Computers have a ____ storage capacity.
    a) small
    b) moderate
    c) large
    d) limited
  13. Using computers can lead to better ____ quality.
    a) school
    b) job
    c) life
    d) food
  14. Information stored on a computer database can be used for ____ purposes.
    a) same
    b) various
    c) single
    d) limited
  15. ____ is a disadvantage of computers related to unemployment.
    a) Over-employment
    b) Misemployment
    c) Unemployment
    d) Employment
  16. Wastage of time and energy is caused by ____ use of computers.
    a) productive
    b) creative
    c) unproductive
    d) innovative
  17. Unauthorized persons can access data stored on computers through ____.
    a) social media
    b) networks
    c) games
    d) email
  18. Hacking credit card numbers and stealing data are examples of ____ crimes.
    a) computer
    b) social
    c) financial
    d) personal
  19. Violation of personal privacy can occur if personal and confidential records are not ____.
    a) stored
    b) accessed
    c) protected
    d) shared
  20. ____ use of computers can result in health risks such as injuries or disorders.
    a) Proper
    b) Unregulated
    c) Extensive
    d) Inadequate

Uses and Applications of Computers Computer Studies JSS 1 Third Term Lesson Notes


  1. Mention seven advantages of computer.
  2. State five disadvantages of using computer.


  • Use visual aids to illustrate key points.
  • Encourage interactive discussions and participation from students.
  • Provide real-life examples to enhance understanding.

Teacher’s Activities:

  1. Presenting the topic with engaging visuals and examples.
  2. Facilitating group discussions on advantages and disadvantages.
  3. Monitoring student participation and providing guidance as needed.

Learners’ Activities:

  1. Participating in group discussions and activities.
  2. Asking questions to clarify doubts.
  3. Engaging in role-plays to understand real-life scenarios.


  • Quiz on the advantages and disadvantages of computers.
  • Group presentations on health risks and mitigation strategies.
  1. Why are computers widely used for data processing?
    • Answer: Computers process data faster than humans and are more efficient.
  2. What advantage does a computer have in terms of processing speed?
    • Answer: Computers can process data at a faster speed than humans.
  3. How does a computer increase access to information?
    • Answer: It allows easy retrieval of information stored in the resource center.
  4. What is a notable characteristic of computer data processing?
    • Answer: Computers process data accurately.
  5. Can computers handle large volumes of transactions?
    • Answer: Yes, computers can process a large volume of transactions regardless of complexity.
  6. Is a computer reliable in its work?
    • Answer: Yes, computers are reliable and consistent in their tasks.
  7. What advantage does a computer have in terms of storage?
    • Answer: Computers have a large storage capacity.
  8. How does a computer improve job quality?
    • Answer: It provides better job quality through efficient data processing.
  9. How does information stored on a computer database contribute to efficiency?
    • Answer: It can be used for various purposes, increasing efficiency.
  10. What problem arises from the automatic performance of tasks by computers?
    • Answer: It leads to unemployment as fewer people are needed for work.
  11. What negative impact does excessive computer use have on time and energy?
    • Answer: It causes wastage of time and energy due to unproductive activities like gaming and social media.
  12. How does unauthorized access to computer data affect security?
    • Answer: It poses serious problems for data security as personal information can be accessed.
  13. What negative activities are associated with computers?
    • Answer: Computer crimes such as hacking and data theft are common.
  14. How does computer usage potentially violate privacy?
    • Answer: Personal data stored on computers can be accessed without proper protection, violating privacy.
  15. What health risks are associated with prolonged computer use?
    • Answer: Improper computer use can lead to injuries or disorders, particularly in the hands, wrists, and eyes.

Evaluation Questions:

  1. What are two advantages of using computers for data processing?
  2. How does computer usage contribute to unemployment?
  3. Name one health risk associated with prolonged computer usage.
  4. What is the impact of data security breaches on organizations?
  5. Why is it important to protect personal data stored on computers?
  6. How can individuals minimize health risks while using computers?
  7. Describe one disadvantage of excessive computer usage.
  8. Explain how computers enhance efficiency in data processing.
  9. What are the benefits of increased access to information through computers?
  10. Discuss the role of computers in improving job quality.


  • Review key points covered in the lesson.
  • Provide feedback on student performance.
  • Emphasize the importance of responsible computer usage for personal and societal well-being.
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