Answer:
First generation are
a)they are unreliable
b)they are very costly and
c)huge in size
Second generation are
a)they use a transistor
b)smaller in size compared to first generation
c)they are faster than the first generation
Third generation are
a)its more reliable than the first generation and the second generation
b)faster than first generation and the second generation
c)consume less electricity
Fourth generation are
a) they are very cheap
b)they are very small in size
c)they are portable and reliable
Explanation:
explanation is in the answer
