Contents

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