Higher Study | Communication Systems

Practice Higher Study | Communication Systems on Bissoy — browse topics below and open any question.

Amplitude Modulation Basics of Communication System Pulse Modulation Information Theory Noise in Analog Communication System Baseband Transmission Passband Transmission Probability and Random Variable Fundamentals of Error Correction Introduction To Digital Modulation Angle Modulation Optical Sources and Detector Cellular Networks Receivers

Questions

Which of the following algorithms is the best approach for solving Huffman codes?

ক

greedy algorithm

খ

exhaustive search

গ

divide and conquer algorithm

ঘ

brute force algorithm

Which of the following requires a synchronizing signal?

ক

Single channel PPM system

খ

PAM

গ

DM

ঘ

All of the mentioned

If we double the value of resistor then how it affects the thermal noise power?

ক

gets doubled

খ

gets halved

গ

gets quadrupled

ঘ

remains unchanged

Which one of the following statements about differential pulse code modulation (DPCM) is true?

ক

The sum of message signal sample with its prediction is quantized

খ

The message signal sample is directly quantized, and its prediction is not used

গ

The difference of message signal sample and a random signal is quantized

ঘ

The difference of message signal sample with its prediction is quantized