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