DISADVANTAGES of first generation computer

DISADVANTAGES:

1.     Size of that machines are very big

2.     Required large amount of energy for processing

3.     Very expensive

4.     Heat generated and need air conditioning.

5.     Not portable ( never take from one place to other)

6.     Comparing with 5G computers, these computers are slow in speed.

7.     Not reliable

8.     In order to get proper processing, maintenance is required continuously.

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