Practice Quiz in Digital and Data Communication Networks Part 29

(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 29 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 XXIX of the Online Practice Quiz

Quiz in Digital and Data Communication Networks

Question 281. It is an empirical record of a system’s actual bit error performance.

A. probability of error

B. error detection

C. error control

D. bit error rate


Question 282. For an 8-PSK system, operating with an information bit rate of 24 kbps, determine the bandwidth efficiency

A. 8 bits/cycle

B. 2 bits/cycle

C. 3 bits/cycle

D. 4 bits/cycle


Question 283. The event which marked the start of the modern computer age was

A. design of the ENIAC computer

B. development of Hollerith code

C. development of the transistor

D. development of disk drives for data storage


Question 284. An FDM hierarchy which is formed by frequency – division multiplexing five groups containing 12 channels each for a combined bandwidth of 240 kHz.

A. Supergroup

B. Group

C. Mastergroup

D. Jumbogroup


Question 285. A theory that establishes the minimum sampling rate that can be used for a given PCM systems

A. Nyquist sampling theorem

B. Nyquist minimum bandwidth

C. Nyquist minimum bandwidth

D. Any of these


Question 286. The result whenever the sampling rate is less than twice the highest audio frequency

A. peak limiting

B. overload distortion

C. alias

D. quantizing noise


Question 287. The characters making up the message in a synchronous transmission are collectively referred to as the data

A. set

B. sequence

C. block

D. collection


Question 288. A form of switching which is hold and forward

A. Packet switching

B. Message switching

C. Circuit switching

D. Digital switching


Question 289. Which of the following is not a common LAN medium?

A. twin lead

B. twisted pair

C. fiber-optic cable

D. coax


Question 290. A form of switching which is stored and forward

A. Packet switching

B. Message switching

C. Circuit switching

D. Digital switching

List of Practice Quizzes


Practice Quiz in Digital and Data Communication Networks Part 29
Rate this:

Add Comment

© 2017 PinoyBIX Engineering. © 2017 All Rights Reserved | Donate
Basic Television - Grob TV  Chapter Exercises
Basic Television – Grob TV Chapter Exercises
Series of Multiple Choice Questions in Engineering Mathematics
Series of Multiple Choice Questions in Engineering Mathematics
Complete Practice Quiz in Electronic Devices and Circuit Theory
Complete Practice Quiz in Electronic Devices and Circuit Theory
Complete Practice Quiz in Data Communications and Networking
Complete Practice Quiz in Data Communications and Networking
Online Tool: Color Code Conversions
Online Tool: Color Code Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Temperature Measurement Conversions
Online Tool: Temperature Measurement Conversions
Online Tool: Length Measurement Conversions
Online Tool: Length Measurement Conversions

Get FREE Review Course
in your inbox

Subscribe to our mailing list and get reviewers and updates to your email inbox.

Thank you for subscribing.

Something went wrong.