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