adplus-dvertising

Practice Quiz in Digital and Data Communication Networks Part 17

(Last Updated On: December 20, 2017)Quiz in Digital and Data Communication Networks

This is the Online Practice Quiz in Digital and Data Communication Networks Part 17 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

Continue Part XVII of the Online Practice Quiz

Quiz in Digital and Data Communication Networks

Question 161. What is the category of data transmission if the binary pulse is maintained for the entire bit time?

A. Return to zero

B. Bipolar

C. Unipolar

D. Non – return to zero

Question 162. It is a system where the digital signals are placed directly on the coaxial cable.

A. Broadband

B. Baseband

C. CSMA/CD

D. Token ring

Question 163. A scheme in which several channels are interleaved and then transmitted together is known as

A. Frequency division multiplex

B. Time division multiplex

C. a group

D. a supergroup

Question 164. A signaling system in which each letter of the alphabet is represented by a different symbol is not used because

A. it would be too difficult for an operator to memorize

B. it is redundant

C. noise would introduce too many errors

D. too many pulses per letter are required

Question 165. The basic modulator and demodulator circuits in PSK are

A. PLLs

B. Balanced modulators

C. Shift registers

D. Linear summers

Question 166. Pulse – amplitude modulation signals are multiplexed by using

A. Subcarrier

B. Bandpass filters

C. A/D converters

D. FET switches

Question 167. It is the thermal noise power normalized to 1-Hz bandwidth

A. power density ratio

B. thermal noise

C. noise power density

D. ambient temperature noise

Question 168. The slope of the analog signal is greater than the delta modulator can maintain

A. overload distortion

B. granular noise

C. slope overload

D. peak limiting

Question 169. It is the transmittal of digitally modulated analog signals (carrier) between two or more points in a communications system.

A. Digital modulation

B. Digital transmission

C. Data communications

D. Pulse modulation

Question 170. A pulse modulation technique as the width of a constant amplitude pulse is varied proportional to the amplitude of the analog signal at the time the signal is sampled.

A. Pulse Width Modulation

B. Pulse Length Modulation

C. Pulse Duration Modulation

D. All of these

List of Practice Quizzes

Please do Subscribe on YouTube!

P inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Also provides professionals with materials for their lectures and practice exams. Help me go forward with the same spirit.

“Will you subscribe today via YOUTUBE?”

Subscribe

What You Also Get: FREE ACCESS & DOWNLOAD via GDRIVE

TIRED OF ADS?

  • Become Premium Member and experienced fewer ads to ads-free browsing.
  • Full Content Access Exclusive to Premium members
  • Access to PINOYBIX FREEBIES folder
  • Download Reviewers and Learning Materials Free
  • Download Content: You can see download/print button at the bottom of each post.

PINOYBIX FREEBIES FOR PREMIUM MEMBERSHIP:

  • CIVIL ENGINEERING REVIEWER
  • CIVIL SERVICE EXAM REVIEWER
  • CRIMINOLOGY REVIEWER
  • ELECTRONICS ENGINEERING REVIEWER (ECE/ECT)
  • ELECTRICAL ENGINEERING & RME REVIEWER
  • FIRE OFFICER EXAMINATION REVIEWER
  • LET REVIEWER
  • MASTER PLUMBER REVIEWER
  • MECHANICAL ENGINEERING REVIEWER
  • NAPOLCOM REVIEWER
  • Additional upload reviewers and learning materials are also FREE

FOR A LIMITED TIME

If you subscribe for PREMIUM today!

You will receive an additional 1 month of Premium Membership FREE.

For Bronze Membership an additional 2 months of Premium Membership FREE.

For Silver Membership an additional 3 months of Premium Membership FREE.

For Gold Membership an additional 5 months of Premium Membership FREE.

Join the PinoyBIX community.

This offer has expired!

SubscribeMembership Plan

Add Comment

Shopee Store: JABEESHOP . © 2014-2023 All Rights Reserved | How to Donate? | Follow me on Blogarama DMCA.com Protection Status
error: Alert: Content selection is disabled!! (Subscribe to Enable)