1. Which equations are best suited for the study of electromagnetic wave propagation? Maxwell’s equations Allen-Cahn equations Avrami equations Boltzmann’s equations 2. The phenomenon which occurs when an incident wave strikes an interface at an angle greater than the critical angle with respect to the normal to the surface is called as _______ Refraction …
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1. Who proposed the idea of transmission of light via dielectric waveguide structure? Christian Huygens Karpon and Bockham Hondros and debye Albert Einstein 2. Who proposed the use of clad waveguide structure? Edward Appleton Schriever Kao and Hockham James Maxwell 3. Which law gives the relationship between the refractive index of the dielectric? …
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1. The bit rate of the digital communication system is M kbps. The modulation used is 16 QAM. The minimum bandwidth required for ideal transmission is _________. M/2 kHz M/16 kHz M kHz M/8 kHz 2. Arrange in increasing order of Null-to-Null bandwidth (Hz) of the following binary bandpass signals. (i) QPSK (ii) MSK …
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1. Following type of multiplexing cannot be used for analog signaling? FDM TDM WDM None of these 2. Determine the number of bits/sec generated by a PCM system if the bandwidth of TV video and audio signal of 4.5 MHz is to be converted to PCM stream with 1024 quantization levels. Assume signal is …
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1. Following type of multiplexing cannot be used for analog signaling? FDM TDM WDM None of these 2. Determine the number of bits/sec generated by a PCM system if the bandwidth of TV video and audio signal of 4.5 MHz is to be converted to PCM stream with 1024 quantization levels. Assume signal is …
1. In digital transmission, the modulation technique that requires the minimum bandwidth is: PCM PAM DPCM Delta modulation 2. (DPCM) is a procedure of converting an _____ to ______ Digital to Analog Analog to Digital Digital to Discrete None of the above 3. DPCM compression depends on the ______ technique. Sampling Amplifying Prediction …
1. Quantizing noise occurs in PCM TDM FDM PPM 2. A telephone signal with a cut-off frequency of 4 kHz is digitalized into 8-bit samples at a Nyquist sampling rate of s = 2 W. Calculate the baseband transmission bandwidth. 8 kHz 64 kHz 16 kHz 2 kHz 3. The main advantage of …
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1. Which of the following type of multiplexing cannot be used for analog signaling? FDM TDM WDM None of these 2. In TDM systems, channel separation is done with the use of AND gates Bandpass filter Differentiator circuit Integrator circuit 3. To transmit N signals each band limited to fm Hz by time-division …
TDM and FDM MCQ || TDM and FDM Questions and Answers Read More »
1. Which of the following type of multiplexing cannot be used for analog signaling? FDM TDM WDM None of these 2. In TDM systems, channel separation is done with the use of AND gates Bandpass filter Differentiator circuit Integrator circuit 3. To transmit N signals each band limited to fm Hz by time-division …
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1. The bit rate of the digital communication system is M kbps. The modulation used is 16 QAM. The minimum bandwidth required for ideal transmission is _________ M/2 kHz M/16 kHz M kHz M/8 kHz 2. Assertion (A): In microwave communication links, intensive fading at the 18 GHz band occurs due to rain-drop attenuation. …
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