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Which of the following medium is used to communicate through radio signal in air?
a) radio wave             
b) microwave
c) infra-red                  
d) none of these

a



What is the speed of radio wave signal?
a) 50 Mbps                  
b) 51Mbps
c) 53 Mbps                  
d) 54 Mbps

d

Explanation: Mbps stand for Megabyte per second

 


Which of the following are radio waves that provide a high-speed transmission?
a) microwave             
b) radio wave
c) infra-red wave         
d) none of these

a

What is the distance of microwave stations?
a) 10-20 miles             
b) 20-30 miles
c) 10-40 miles             
d) 10-50 miles

b

What is the speed of microwaves?
a) 1-200GHz               
b) 1-300GHz
c) 1-400GHz               
d) none of these

b

Explanation: GHz stand for Giga Hertz



Which technology allows computing devices to communicate via short range wireless signals?
a) radio wave              
b) microwave
c) infra-red waves      
d) none of these

c