FDM stnds for frequency division multiplexing and it is used only in case of analog signals because analog signals are continuous in nature and the signal have frequency. TDM-stands for time division multiplexing and it is used only in case of digital signals because digital signals are discrete in nature and are in the form of 0 and 1s. and are time dependent.
An Electronic Device
Lifeline signals are visual or auditory signals used to indicate distress or the need for assistance, particularly in emergency situations. These signals can include hand signals, flares, whistles, or emergency beacons. In various contexts, such as outdoor activities or maritime operations, they serve to alert others to a person's urgent need for help. Effective use of lifeline signals can significantly enhance safety and improve the chances of timely rescue.
it is an DAC (Digital to analogue converter
In in- bandsignalling , the control and management signals travles along with the data signals where as in out of band signalling the data and control signals travels in different channels
neon is used for warning signals
standardized warning signals for CBRNE medium and high threat areas
standardized warning signals for CBRNE medium and high threat areas
there is lots of signals to many to tell
Diaster warning, attack warning, and all clear.
disaster warning, attack warning, and all clearstandardized warning signals and actions for CONUS and U.S. Territoriesdisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all clear
standardized warning signals and actions for CONUS and U.S. territories
There are several way of getting across a warning signal. For example, hand signals, alarms, and code phrases are good means of low-key communication.
Some people who get migraine headaches have warning signals before the headaches begin, such as restlessness, tingling in an arm or leg, or seeing patterns of flashing lights.
sirens, base-wide announcements, colored flags, and hand signals
they are prepared by the warning signals that they get.
Yes but if you ignore it then no