Related Questions

What technology allows wireless communication between devices in close proximity, often used for file sharing and wireless payments?
A Near Field Communication
B Blue tooth
C Wireless Fidelity
D Radio Frequency Identification
Which of the following is the fastest communication channel?
A Microwave
B Optical fiber
C Radio wave
D All are operating at nearly the same propagation speed
The switch that has the fastest speed of operation is ___________ switch.
A Electronic
B Mechanical
C Electromechanical
D None of the above
Who invented the radio and wireless system?
A Dalton
B Marconi
C Einstein
D Braille
Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples.
A Steel
B Vycor (a glass)
C Nichrome
D Inconel
_____ is the fastest logic family; it's used in high-speed applications.
A DTL
B TTL
C ECL
D MOS
E None of the above
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?
A Park
B Bridge
C Interface
D Link
E None of the above
Which planet of the solar system spins on its axis at the fastest rate?
A Mercury
B Earth
C Jupiter
D Saturn
The respective ratio between the speed of a speed of the car, bus and train is 5 : 9 : 6. The average speed of the car, bus and train is 72 km/hr together. What is the average speed (km/h)of the car and the train together?
A 82
B 72
C 67
D 84
Which of the following is not a disadvantage of wireless LAN?
A Slower data transmission
B higher error rate
C interference of transmissions from different computers
D All of the above

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