Pulse code modulation - Study guides, Class notes & Summaries

B What is the center wavelength of a vertical cavity surface emitting laser (VCSEL)? A - 780 nm B - 850 nm C - 1300 nm D - 1550 nm Page 1-92 A What is the system gain for an optical fiber multimode cable for which the manufacturer's specifications are given above? A 2 dB B -11 dB C -2 dB D 9.2 dB Page 1-114 A Which of the following is a measure of the maximum voltage that insulation can withstand without breakdown? A - Dielectric strength B - Dielectric co...

RCDD Practice Test Latest Questions With Complete Solutions. C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is t...

ITN 100 FINAL EXAM 2023 (QUESTIONS WITH ANSWERS GRADED 100%) Which layer of the OSI model is responsible for ensuring that all packets sent are received by the destination station by dealing with end-to-end issues? - answertransport Layer The American National Standards Institute (ANSI) - answeris the coordinating organization for the United States' national system of standards Which of the following is not true about de juro standards? - answerThey are always developed before de facto st...

CTS Top Exam Questions and answers, 100% Accurate. Verified. • Analog to Digital Conversion: Sampling Rate - -how many times a digital sample is taken of the analog sample, per second Ex. CD Sampling rate = 44.1kHz Called Pulse Code Modulation (PCM) Determines digital signal's accuracy Nyquist-Shannon Sampling Thm - -• Analog sig must be encoded at rate 2X or more than highest freq. of sample • Human hearing is up to 20kHz -> digital audio should be at least 40 kHz o ...

CTS Certified Technology Specialist, Top Exam Questions and answers, rated A+ Sample Rate - -Number of samples of audio carried per second Pulse-code modulation (PCM) - -A method used to digitally represent sampled analog signals Hertz - -Is equivalent to cycles per second Omnidirectional - -A microphone that can hear from all directions Firewall - -A network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rule...

Quiz 1   Question 1 1 out of 1 points Time division multiplexing (TDM) Answer Selected Answer: was based on digital signaling techniques. Correct Answer: was based on digital signaling techniques.  Question 2 1 out of 1 points The voice band developed by the telephone company is the range of frequencies from Answer Selected Answer: 300 Hz to 3,400 Hz. Correct Answer: 300 Hz to 3,400 Hz.  Question 3 1 out of 1 points Pulse code modulation (PCM) Answer Se...

Low Value This is the preferred value for Insulation resistance High Value This is the preferred value for Dissipation factor Low Value This is the preferred value for Dielectric Strength High Value This is the preferred value for Dielectric Constant Common Mode noise 2 separate distinct grounds is an example of this Reactive This is not a form of signal coupling signal coupling Conductive, Inductive, Capacitive, Electromagnetic These are example ...

RCDD TEST QUESTIONS (TOPIC 1 - TOPIC 7) WITH COMPLETE SOLUTIONS. If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB C. 30 dB The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt....

Quiz 1   Question 1 1 out of 1 points Time division multiplexing (TDM) Answer Selected Answer: was based on digital signaling techniques. Correct Answer: was based on digital signaling techniques.  Question 2 1 out of 1 points The voice band developed by the telephone company is the range of frequencies from Answer Selected Answer: 300 Hz to 3,400 Hz. Correct Answer: 300 Hz to 3,400 Hz.  Question 3 1 out of 1 points Pulse code modulation (PCM) Answer Se...

Test Bank for Porth's Essentials of Pathophysiology 5th Edition by Tommie L Norris Test Bank for Porth's Essentials of Pathophysiology 5th edition by Tommie L Norris 1. Chapter 1 Although the basic structure of the cell plasma membrane is formed by a lipid bilayer, most of the specific membrane functions are carried out by: A) Bound and transmembrane proteins B) Complex, long carbohydrate chains C) Surface antigens and hormone receptors D) A gating system of selective ion channels Feedback: Th...