Answer:
<h2>Characteristics of first generation computers:</h2>
Explanation:
1)First generation computers used vacuum tubes.
2)Speed was slow and memory was very small.
3)They were huge in size taking up entire room.
4)They consumed a lot of power and generated so much heat.
5)Machine language was used in these computers.
6)Output was obtained on printouts through electric typewriter.
7)Input was based on punched cards.
8)First generation computers were expensive and unreliable.
