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1. The first electro-mechanical computer.

2. The first electronic digital computer.

3. The advanced computer version introduced by IBM in 1984.
4. The main component of first generation computer.

5. The first computer introduced by Apple in 1984.

6. The component that replaced vacuum tubes in second generation computer.
7. The first commercial computer delivered to US Census Bureau in 1951.

Lab Activity

A. Write serial numbers beside each picture to arrange them in correct order of
generations:

B. Draw a computer and label its parts correctly.

15 Computer — 5