Explore topic-wise MCQs in Electronics & Communication Engineering.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Electronics & Communication Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

A 1 mW signal having a bandwidth of 100 MHz is transmitted to a receiver through cable that has 40 dB loss. If the effective one side noise spectral density at the receiver is 10-20 Watt/Hz, then the signal to noise ratio at the receiver is

A. 50 dB
B. 30 dB
C. 40 dB
D. 60 dB
Answer» B. 30 dB
2.

________ is used in protocols for detection of transmission errors.

A. Modifiers
B. Internal address
C. Cyclic redundancy code
D. Special code
Answer» D. Special code