Transistor was developed …….at Bell lab.
a) 1946
b) 1947
c) 1948
d) 1949
Transistor was ……and cheaper than vacuum tubes.
a) faster
b) reliable
c) small
d) all of these
One transistor replaced about …vacuum tubes.
a) 20
b) 30
c) 40
d) 50
Second-generation computers moved from machine language to……. language.
a) high level
b) low level
c) assembly
d) none of these
The T h i r d Generat i on:
The era of third generations computers was
a) 1946-1958
b) 1959-1964
c) 1965-1970
d) 1970-1980