A) Time B) Peak amplitude C) Frequency D) Wave length
A) Bps B) Bit rate C) Digital signal D) Baud rate
A) Composite signal B) No answer C) Harmonic D) Waveforms
A) 5 petabits B) 5 gigabits C) 5 terabits
A) Composite signals B) Transistor C) Diode
A) Power B) Time C) Phase D) Bandwidth
A) 3.96MHz B) 396kHz C) 360MHz
A) Crosstalk B) Attenuation C) Capture effect
A) Ics B) Diode C) Composite signal
A) Encoder B) Input transducer C) Output transducer
A) Wavelength B) Phase C) No answer
A) Periodic and discrete B) Periodic and continuous C) Kapagod yan
A) Channel B) User C) Sender
A) Electronics B) Physics C) Biometrics
A) Amplifier B) Transponder C) Oscilloscope
A) Amplifier B) Transducer C) ICs
A) Digital modulation B) Bahala ka C) Analog modulation
A) No B) Throughout C) Yes
A) Both? B) Decreases C) Increases
A) 5000bits B) 50bits C) 500bits
A) ASK B) PSK C) Choose wisely
A) Bahala ka B) Digital modulation C) Analog modulation
A) Period B) Frequent C) Throughout
A) Frequency B) Sine wave C) Digital signal
A) Noise B) Distortion C) Reflection
A) Decibel B) Crosstalk C) Distortion
A) Peak amplitude B) Phase C) Wavelength
A) Channel B) Transducer C) Amplifier
A) 0.002 seconds B) 0.000002 seconds C) 0.000002 milliseconds
A) 0.01 milliseconds B) 0.01 seconds C) 0.001 seconds
A) non-inverting amplifier B) differential amplifier C) inverting amplifier D) voltage follower
A) Kirchhoff's theorem B) Nyquist theorem C) Fourier theorem D) Ohm's law
A) high quantization error B) large number of comparators required C) low accuracy D) slow operation
A) demodulation B) analog-to-digital Conversion C) digital-to-analog Conversion D) modulation
A) sampling the signal in time B) filtering the analog signal C) converting each sample into discrete amplitude levels D) encoding binary data
A) integrator B) differential amplifier C) summing amplifier D) comparator
A) simplicity B) low cost C) low power consumption D) very high speed
A) remove high-frequency noise B) hold the input signal constant during conversion C) remove high-frequency noise D) generate clock pulses
A) integrating input voltage over time B) comparing input voltage with reference voltages step-by-step C) sampling only at zero crossings D) counting clock pulses during conversion
A) sampling frequency B) quantization error C) output current D) resolution speed
A) filtering unwanted frequencies B) taking discrete time samples of a continuous signal C) dividing the signal into equal voltage levels D) converting binary to decimal
A) infinite input impedance and zero output impedance B) both input and output impedances are zero C) both input and output impedances are infinite D) zero input impedance and infinite output impedance
A) output terminal B) ground terminal C) non-inverting input D) inverting input
A) current form B) sinusoidal waveform C) binary form D) analog voltage
A) the feedback terminal B) the non-inverting input terminal C) the positive supply voltage D) the positive output voltage
A) one B) Zero C) very small D) very high
A) reduce distortion and stabilize gain B) increase input impedance C) reduce bandwidth D) increase gain
A) sum of all sampled values B) sampling frequency error C) difference between actual and quantized value D) ratio of signal to noise
A) twice the highest signal frequency B) half the signal frequency C) four times the signal frequency D) equal to the signal frequency
A) sampling B) encoding C) filtering D) quantization |