Fourth and Fifth Generation Computers Primary 2 Third Term Lesson Notes Week 4 & 5

Subject: Computer Studies

Class: Primary 2

Term: Third Term

Week: Week 4 & 5

Topic: Classification of computers by generations

Sub-topic: Fourth and fifth generations of computers

Duration: 40 minutes

Behavioural Objectives: At the end of the lesson, pupils should be able to:

• Describe fourth-generation computers and their features.
• Describe fifth-generation computers and their features.
• Compare fourth and fifth-generation computers.
• Answer questions related to the lesson.

Key Words: Fourth generation, fifth generation, microprocessor, artificial intelligence.

Entry Behaviour: Pupils are familiar with computers and basic computer usage.

Learning Resources and Materials:

• Pictures and charts of fourth and fifth-generation computers.
• Video clips showing examples of computers from both generations.
• Lagos State Scheme of Work for reference.

Building Background / Connection to Prior Knowledge:

• Ask pupils about the types of computers they use at home.
• Discuss what pupils already know about computers.

Embedded Core Skills:

• Critical thinking.
• Communication.

Learning Materials: Pictures, charts, video clips, reference books.

Instructional Materials:

• Pictures of fourth and fifth-generation computers.
• Charts showing key features of both generations.

Content:

• Fourth Generation of Computers:
  • Made in the 1970s to 1990s.
  • Used microprocessors.
  • Smaller than earlier computers.
  • Faster and could do multiple tasks at once.
  • Example: Early personal computers.
• Fifth Generation of Computers:
  • Made from the 1990s to present.
  • Use advanced microprocessors and artificial intelligence.
  • Very small and portable, like laptops and tablets.
  • Very fast and capable of complex tasks.
  • Example: Modern laptops and smartphones.

Fourth Generation of Computers

1. When were fourth-generation computers made?
   • They were made in the 1970s to 1990s.
2. How big were fourth-generation computers?
   • They were smaller, around the size of a small box.
3. What part did fourth-generation computers use?
   • They used microprocessors, which are small chips.
4. Were fourth-generation computers fast or slow?
   • They were fast and could do many tasks at the same time.
5. What is an example of a fourth-generation computer?
   • Personal computers (PCs) are an example of fourth-generation computers.

Fifth Generation of Computers

6. When were fifth-generation computers made?
   • They started in the 1990s and continue to the present.
7. How big are fifth-generation computers?
   • They are very small, like a laptop or tablet.
8. What part do fifth-generation computers use?
   • They use advanced microprocessors and artificial intelligence.
9. Were fifth-generation computers fast or slow?
   • They are very fast and can handle complex tasks.
10. What is an example of a fifth-generation computer?
    • Modern laptops, tablets, and smartphones are examples of fifth-generation computers.

General Questions

11. What are microprocessors?
    • Microprocessors are small chips that help computers do many tasks.
12. What is artificial intelligence (AI)?
    • AI is the ability of computers to think and learn like humans.
13. How have computers changed from the fourth to the fifth generation?
    • Computers became even smaller, faster, and smarter.
14. What are some tasks fifth-generation computers can do?
    • They can browse the internet, play games, and use apps.
15. Why are fifth-generation computers important?
    • They help us stay connected and make our lives easier with technology.

Evaluation Questions for Primary 2 students about the fourth and fifth generations of computers:

1. Fourth-generation computers were made from the _______.
   • a) 1990s
   • b) 1950s
   • c) 1970s
   • d) 2000s
2. Fourth-generation computers used _______.
   • a) vacuum tubes
   • b) microprocessors
   • c) transistors
   • d) integrated circuits
3. Fourth-generation computers were the size of a _______.
   • a) house
   • b) room
   • c) small box
   • d) notebook
4. Fifth-generation computers are made from the _______ to now.
   • a) 1980s
   • b) 1990s
   • c) 2000s
   • d) 1950s
5. Fifth-generation computers use advanced _______.
   • a) transistors
   • b) integrated circuits
   • c) vacuum tubes
   • d) microprocessors
6. Fifth-generation computers are very _______ and smart.
   • a) fast
   • b) slow
   • c) noisy
   • d) boring
7. Modern laptops, tablets, and smartphones are examples of _______ generation computers.
   • a) first
   • b) third
   • c) fourth
   • d) fifth
8. Fourth-generation computers use microprocessors, which are _______.
   • a) big chips
   • b) tiny chips
   • c) computer screens
   • d) keyboards
9. Fifth-generation computers can handle _______ tasks.
   • a) simple
   • b) basic
   • c) complex
   • d) repetitive
10. Fourth-generation computers were made in the _______ and 1990s.
    • a) 2000s
    • b) 1970s
    • c) 1980s
    • d) b and c
11. Fifth-generation computers often use _______.
    • a) artificial intelligence
    • b) vacuum tubes
    • c) typewriters
    • d) calculators
12. Fourth-generation computers were much _______ than earlier computers.
    • a) bigger
    • b) heavier
    • c) smaller
    • d) noisier
13. Fifth-generation computers are _______ enough to carry around.
    • a) big
    • b) portable
    • c) heavy
    • d) fragile
14. _______ helps fifth-generation computers to think and learn like humans.
    • a) RAM
    • b) ROM
    • c) artificial intelligence
    • d) hard drives
15. Fourth-generation computers were used for _______.
    • a) gaming
    • b) storage
    • c) basic internet browsing
    • d) all of the above

Presentation:

• Step 1: Teacher revises the previous topic, which was the uses of IT devices. Learning About Computer Generations: First and Third Generations Computer Studies ICT Primary 2 Third Term Lesson Notes Week 2 & 3
• Step 2: Teacher introduces the new topic: Fourth and fifth generations of computers.
• Step 3: Teacher allows the pupils to give their own contributions and corrects the pupils when necessary.

Teacher’s Activities:

• Show pictures of fourth and fifth-generation computers.
• Explain key features of each generation.
• Ask pupils to observe the differences between the computers in the pictures.
• Answer questions and encourage pupils to ask questions.

Learners’ Activities:

• Observe pictures and charts.
• Participate in discussion about the differences between the generations.
• Ask questions if they don’t understand something.

Assessment:

• Ask pupils to name the time periods of fourth and fifth-generation computers.
• Have pupils describe one feature of each generation.

Evaluation Questions:

1. When were fourth-generation computers made?
2. What part did fourth-generation computers use?
3. Were fourth-generation computers big or small?
4. Give one example of a fourth-generation computer.
5. When were fifth-generation computers made?
6. What part do fifth-generation computers use?
7. Were fifth-generation computers fast or slow?
8. Name one example of a fifth-generation computer.
9. How are fifth-generation computers different from fourth-generation computers?
10. What is artificial intelligence?

Conclusion:

• The teacher goes around to mark students’ work and offer help where needed.
• Review the lesson and ask pupils if they have any more questions.