Which multiplexing technique shifts each signal to a different carrier frequency?

Nurse Kemp has worked more night shifts in a row than Nurse Rogers, who has worked five. Nurse Miller has worked fifteen night shifts in a row, more than Nurses Kemp and Rogers combined. Nurse Calvin has worked eight night shifts in a row, less than Nurse Kemp. How many night shifts in a row has Nurse Kemp worked?

A

eight

B

nine

C

ten

D

eleven

দেওয়া আছে (i) অর্ধপরিবাহীর Majority carrier election, (ii) p-type অর্ধপরিাবাহীর Majority carrier hole এবং (iii) pure অর্ধপিরবাহীর Majority carrier hole । নিচের কোনটি সঠিক?

A

i ও ii

B

ii ও iii

C

i ও iii

D

i, ii, ও iii

When the modulating signal controls the frequency of the carrier, we get___________

A

Phase modulation

B

Amplitude modulation

C

Frequency modulation

D

May be any one of the above

কোনটি মিথ্যা? i. ডায়োডের ক্ষেত্রে বিনাশী ভোল্টেজের পর তড়িৎ প্রবাহের মান সম্মুখ ঝোঁকে নী (Knee) ভোল্টেজের পর থেকে প্রাপ্ত তড়িৎ প্রবাহ থেকে বেশি না ii. ট্রায়োডের দুটি টার্মিনাল থাকে iii. +ve charge carrier এর জন্য প্রবাহিত তড়িৎ প্রবাহ-ve charge carrier জন্য প্রবাহিত তড়িৎ প্রবাহ থেকে কম না নিচের কোনটি সঠিক?

A

i ও ii

B

i ও iii

C

ii ও iii

D

i, ii ও iii

Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

A

Amplitude-shift keying

B

Amplitude

C

Amplitude modulation

D

Aloha

E

None of the above

The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to

A

Reduce the spurious frequency problem

B

Increase the frequency stability of the synthesizer

C

Reduce the number of decades

D

Reduce the number of crystals required

A given signal's second harmonic is twice the given signal's __________ frequency?

A

Fourier

B

Foundation

C

Fundamental

D

Field

A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

A

Aloha

B

Angle modulation

C

Amplitude modulation

D

modem

E

None of the above

Overmodulation (amplitude) occurs when signal amplitude is ___________ carrier amplitude

A

Equal to

B

Greater than

C

Less than

D

None of the above

In amplitude modulation, the ___________ of carrier is varied according to the strength of the signal.

A

Amplitude

B

Frequency

C

Phase

D

None of the above

Which multiplexing technique shifts each signal to a different carrier frequency?

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