adplus-dvertising

Practice Quiz in Digital and Data Communication Networks Part 30

(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 30 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 XXX of the Online Practice Quiz

Quiz in Digital and Data Communication Networks

Question 291. Sixteen different levels (symbols) are used to encode binary data. The channel bandwidth is 36 MHz. The maximum channel capacity is

A. 18 Mbps

B. 72 Mbps

C. 288 Mbps

D. 2.176 Gbps


Question 292. A form of digital modulation similar to PSK except the digital information is contained in both the amplitude and the phase of the transmitted carrier.

A. ASK

B. FSK

C. QAM

D. PSK


Question 293. What is the minimum bandwidth required to transmit a 56 kbps binary signal with no noise?

A. 14 kHz

B. 56 kHz

C. 28 kHz

D. 112 kHz


Question 294. It is the next higher level in the FDM hierarchy above the basic message channel and consequently is the first multiplexing step for combining message channels

A. Supergroup

B. Group

C. Mastergroup

D. Jumbogroup


Question 295. Element of a PCM system that periodically samples the analog input signal and converts those samples to a multilevel PAM signal

A. Bandpass filter

B. Sample-and-hold circuit

C. Analog-to-digital converter

D. Digital-to-analog converter


Question 296. In digital modulation, a diagram which is similar to phasor diagram except that the entire phasor is not drawn and only the peaks of the phasor are shown

A. constellation diagram

B. Venn diagram

C. phasor diagram

D. schematic diagram


Question 297. What is the relationship of bit rate and baud in FSK and PSK?

A. greater than

B. slightly greater than

C. less than

D. equal


Question 298. The most basic digital symbol used to represent information

A. bit

B. baud

C. bits per second

D. Any of these


Question 299. Type of PCM that uses single-bit PCM code to achieve digital transmission of analog signals

A. Adaptive delta modulation

B. Pulse code modulation

C. Differential modulation

D. Delta modulation


Question 300. A mainframe computer connected to multiple terminals and PCs usually uses which configuration?

A. bus

B. ring

C. star

D. tree

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!

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)