The long-distance communication using electric signals was started with the invention of the telegraph by Morse in _____________
The long-distance communication using electric signals was started with the invention of the telegraph by Morse in _____________
Guided media provides a conduit from one device to another, includes _________
Guided media provides a conduit from one device to another, includes _________
The Ultra High Frequency (UHF) is using the propagation method of ___________
The Ultra High Frequency (UHF) is using the propagation method of ___________
In the electromagnetic spectrum for wireless communication, the reserved range for Radio waves and microwaves is known as __________
In the electromagnetic spectrum for wireless communication, the reserved range for Radio waves and microwaves is known as __________
In telecommunications, transmission media can be divided into ___________
In telecommunications, transmission media can be divided into ___________
Optical fibers use reflection to guide light through a _____________
Optical fibers use reflection to guide light through a _____________
RG-59 is used in ________________
RG-59 is used in ________________
Microwaves having frequency between _____________
Microwaves having frequency between _____________
Propagation of light is ___________
Propagation of light is ___________
Super High frequency (SHF) is used in ____________
Super High frequency (SHF) is used in ____________
Unguided signals can travel from the source to destination in ___________
Unguided signals can travel from the source to destination in ___________
Line-of-sight propagation lies above__________
Line-of-sight propagation lies above__________
The cable that accepts and transports signals in the form of light is ____________
The cable that accepts and transports signals in the form of light is ____________
Unguided medium is _____________
Unguided medium is _____________
Radio waves are ___________
Radio waves are ___________
Transmission media are directly controlled by the __________
Transmission media are directly controlled by the __________
In single mode, the decrease in density results in a critical angle that is close enough to ____________
In single mode, the decrease in density results in a critical angle that is close enough to ____________
How many modes are currently in used for propagating light along optical channels ____________
How many modes are currently in used for propagating light along optical channels ____________
Infrared signals can be used for ____________
Infrared signals can be used for ____________
The twisted pair cable consists of ___________
The twisted pair cable consists of ___________
7/125 is the fiber type used in propagation mode ____________
7/125 is the fiber type used in propagation mode ____________
The range of middle frequency is ___________
The range of middle frequency is ___________
The electromagnetic waves ranging in frequencies between 3 kHz and 1 GHz are called ____________
The electromagnetic waves ranging in frequencies between 3 kHz and 1 GHz are called ____________
Infrared waves, that can be used for short range communication have frequencies between _____________
Infrared waves, that can be used for short range communication have frequencies between _____________
The ray of light refracts and moves closer to the surface then the angle of the incidence is ____________
The ray of light refracts and moves closer to the surface then the angle of the incidence is ____________