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