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The process of transferring data electronically from one place to another place is called…..
a) data communication    
b) data transfer
c) data exchange
d) none of these


a

The collection of raw facts and figures is called
a) data                                  
b) information
c) knowledge                       
d) process


a

An electromagnetic or light wave used to transmit data from one place to another is called
a) data                                  
b) signal
c) wireless                             
d) Bluetooth


b

Propagation of signals across a communication medium is called ……..
a) signal                                
b) signaling
c) wireless                             
d) knowledge


b

How many characteristics of data communication system?
a) one    
b) two    
c) three  
d) four

d

Explanation: delivery, accuracy, timeliness, jitter



The variation of arrival of time of the packet is called……
a) delivery                            
b) accuracy
c) jitter                                 
d) timeliness


c