Digital Communication MCQsBy: Prof. Dr. Fazal Rehman | Last updated: May 2, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. Which of the following is correct in the uniform quantization process? (A) Step size varies according to the values of the input signal (B) The step size remains the same (C) The quantizer has linear characteristics (D) Both B and C are correct 2. What is the process of converting the analog sample into discrete form known as? (A) Quantization (B) Modulation (C) Sampling (D) Multiplexing 3. Which one of the following are the disadvantages of PCM? (A) Cannot be decoded easily (B) It requires a large bandwidth (C) Very high noise (D) None of the above 4. The modulation technique that requires minimum bandwidth in digital transmission is: (A) DPCM (B) PAM (C) Delta modulation (D) PCM 5. During the Differential Pulse Code Modulation technique, decoding is performed by: (A) Sampler (B) Accumulator (C) Quantizer (D) PLL 6. When does granular noise occur? (A) Step size is too large (B) Bandwidth is too large (C) Step size is too small (D) None of these 7. How is code strength characterized? (A) Code weight (B) Code size (C) Maximum distance (D) Minimum distance 8. The value of ‘n’ should be _______ for better efficiency and simplicity. (A) Minimum (B) Maximum (C) Infinity (D) Zero 9. Which of the following are types of distortion? (A) Jitter (B) Noise (C) Error (D) Both A & B Correct 10. The reconstruction of continuous signals is done using __________ algorithm. (A) Interpolation (B) Decimation & Interpolation (C) Decimation (D) None of the Above 11. Where is sampling used? (A) Audio (B) Speech (C) Video (D) All of above 12. The number of errors that can be corrected without erasure information is: (A) (Dmin – 1)/2 (B) Dmin + 1 (C) Dmin – 1 (D) (Dmin + 1)/2 More MCQs of Networking Internet and Web Router MCQs Storage area network MCQs Networking Important MCQs Network Security MCQs Electrical Network Analysis MCQs Networking Programming MCQs Social Networks MCQs Network Layers OSI Model MCQs Digital Communication MCQs Telecommunication MCQs Transmission and switching MCQs Networking topologies Solved MCQs Computer Network MCQs for Lecturer Test Mobile and Wireless Network MCQs Cyber Crime Solved MCQs Internet Protocols MCQs Internet MCQs Web Security and forensics MCQs Web Security and forensics MCQs 2 Wireless Security MCQs Datalink layer OSI Model MCQs Physical Layer OSI Model MCQs 7 layers OSI Model MCQs Application Layer MCQs WIFI MCQs Internet and Email MCQs Networking MCQs Public Service Commission network administrator MCQs LINUX MCQ’s Linux File Permissions MCQs Linux File Permissions MCQs 2 Linux Startup and Shutdown MCQs Linux process Management MCQs More MCQs of Networking on T4Tutorials Related Posts:Research Topics Ideas of Analog and Digital CommunicationPresentation Topics of Analog and Digital CommunicationDigital Media & Communication Qualification related questionsVerbal, Non-verbal Communication MCQsCommunication skills MCQsElectronics and Communication Engineering MCQs Questions Answers