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