Contents

Transistor was developed …….at Bell lab.
a) 1946                                                 

b) 1947
c) 1948                                                 

d) 1949

b

Transistor was ……and cheaper than vacuum tubes.
a) faster                                

b) reliable
c) small                                 

d) all of these

d

One transistor replaced about …vacuum tubes.
a) 20      

b) 30                                      

c) 40      

d) 50

c

Second-generation computers moved from machine language to……. language.
a) high level                                         

b) low level
c) assembly                                         

d) none of these

c

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

c