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