me nimekuelewa vyema, unatumia simu gani ?
fungua system
nenda kwenye setting
fungua reset option.
nenda kwenye reset all system setting.
usiende kwenye factory reset
kwa sababu umeuliza habari za Telecommunication najaribu kukujibu.
kwenye kwenye transmit of signal kuna kitu kinaitwa modulation na demodulation.
ndani yake humo unapata kitu inaitwa simplex na duplex,
simplex ni kutuma taarifa kwa one direction
duplex ni kutuma taarifa with one another in...
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