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The electromagnetic or light waves representing data are called….
a) information                     
b) signal
c) sender                                               
d) procedure


b

The number of times a wave repeats during specific time interval is called
a) pulse                                 
b) amplitude
c) frequency                        
d) oscillation

 

c

The height of wave within a given period is called….
a) frequency                        
b) amplitude
c) oscillation 
d) pulse                        

 

b

How many types of communication modes?
a) one    
b) two    
c) three
d) four


c

simplex, half-duplex, full duplex



Transmission permitting data to move only one way at a time is called
a) half-duplex                     
b) simplex
c) full-duplex                       
d) start/stop

a

An arrangement in which data can be received and sent simultaneously is called
a) simplex                            
b) full-duplex
c) half-duplex                      
d) multi-duplex


b