1st GENERATION:COMPUTER Advantages:

GENERATIONS OF COMPUTERS:

To tamely there are 5 generations.

1^st GENERATION: In 1 generation there are 18,000 vacuum tubes.

Advantages:

1.     It occupy a lot of space.

2.    Very big heat was generated.

3.    A/c – Requirement.

4.    Current waste.

5.    Money waste.

6.    Minimum 6 or 7 hardware engineers.

7.    The system works for few days.

8.    Its derision era 1942 to 1955.