Development of Computers – Third to Fifth Generation

TOPIC: Generational Development of Computers (Part 2)
SUBTOPIC: Third to Fifth Generation
CLASS: Basic 3
AGE: 7–8 years
DATE: ____________________
PERIOD: ____________________
DURATION: 40 minutes

LEARNING OBJECTIVES

By the end of the lesson, pupils should be able to:

1. State the third to fifth generations of computers.
2. Match each generation with its time period.
3. Mention the main technology used in each generation.

KEY VOCABULARY WORDS

• Integrated circuit
• Microprocessor
• Artificial Intelligence (AI)
• Laptop

INSTRUCTIONAL MATERIALS

• Chart showing all generations of computers
• Modern devices for demonstration

CONTENT OF THE LESSON

Stages of Computer Development (Part 2)

1. Third Generation Computers (1964–1971) – It used integrated circuits (IC). They are faster, smaller, more reliable. Example: IBM 360.
2. Fourth Generation Computers (1971–Present) – It use microprocessors. They are very small, very fast, cheap. Examples: Desktop computers, laptops.
3. Fifth Generation Computers (Present & Future) – It use Artificial Intelligence (AI). They can think and learn. Examples: Smartphones, robots.

INTRODUCTORY ACTIVITY

Teacher asks pupils to list gadgets they use at home and classify them into old or new.

CLASS EXERCISE 1

Fill in the blanks:

1. The third generation computers used __________ circuits.
2. The fourth generation uses __________.
3. Fifth generation computers use __________ Intelligence.

CLASS EXERCISE 2

Match the generation to the example:

• IBM 360 → __________
• Smartphones → __________
• Desktop computers → __________

ASSIGNMENT (Multiple-Choice Questions)

1. Third generation computers used? A. Transistors B. IC C. Vacuum tubes D. AI
2. Fourth generation computers use? A. IC B. Microprocessors C. AI D. Chips
3. Robots belong to which generation? A. First B. Fourth C. Fifth D. Third
4. IBM 360 is from which generation? A. Third B. Second C. Fourth D. Fifth
5. Which is the fastest and most modern? A. First B. Second C. Third D. Fifth