Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 6
Q41:
Which of the following is a form of information?
A. Text
B. Transmission medium
C. Protocol
D. Sender
Correct Answer:
A
Chapter: 6
Q42:
Fill in the blank: _______ and _______ are examples of data representation in multimedia.
A. Text, numbers
B. Images, video
C. Audio, video
D. Numbers, text
Correct Answer:
C
Chapter: 6
Q43:
What type of information is represented using numbers?
A. Text
B. Audio
C. Quantitative data
D. Video
Correct Answer:
C
Chapter: 6
Q44:
Fill in the blank: _______ is used to represent motion-based content in data.
A. Images
B. Audio
C. Video
D. Numbers
Correct Answer:
C
Chapter: 6
Q45:
Which of the following is NOT a form of data representation?
A. Audio
B. Video
C. Protocol
D. Text
Correct Answer:
C
Chapter: 6
Q46:
Fill in the blank: _______ and _______ are commonly used to represent visual data.
A. Text, numbers
B. Images, video
C. Audio, numbers
D. Video, audio
Correct Answer:
B
Chapter: 6
Q47:
Which form of information is primarily used in spoken communication?
A. Text
B. Audio
C. Video
D. Numbers
Correct Answer:
B
Chapter: 6
Q48:
What is the primary use of images in data representation?
A. To represent quantitative data
B. To encode protocols
C. To convey visual information
D. To process signals
Correct Answer:
C
Chapter: 6
Q49:
Which of the following data flow modes allows communication in only one direction?
A. Simplex
B. Half-Duplex
C. Full-Duplex
D. None of the above
Correct Answer:
A
Chapter: 6
Q50:
In which data flow mode can communication happen in both directions, but only one direction at a time?
A. Full-Duplex
B. Half-Duplex
C. Simplex
D. One-way Duplex
Correct Answer:
B
Chapter: 6
Q51:
Fill in the blank: _______ mode enables simultaneous two-way communication between devices.
A. Simplex
B. Full-Duplex
C. Half-Duplex
D. Bidirectional-Duplex
Correct Answer:
B
Chapter: 6
Q52:
What is an example of a simplex communication system?
A. Telephone
B. Television
C. Walkie-talkie
D. Internet
Correct Answer:
B
Chapter: 6
Q53:
Which data flow method is most commonly used in telephone conversations?
A. Simplex
B. Full-Duplex
C. Half-Duplex
D. None of the above
Correct Answer:
B
Chapter: 6
Q54:
Fill in the blank: In _______ communication, devices take turns sending and receiving data.
A. Simplex
B. Half-Duplex
C. Full-Duplex
D. Multi-Duplex
Correct Answer:
B
Chapter: 6
Q55:
Which of the following is NOT a characteristic of full-duplex communication?
A. Simultaneous two-way data transfer
B. Higher efficiency
C. Data flows in one direction only
D. Better utilization of bandwidth
Correct Answer:
C
Chapter: 6
Q56:
Fill in the blank: A walkie-talkie uses _______ data flow.
A. Simplex
B. Full-Duplex
C. Half-Duplex
D. Bidirectional
Correct Answer:
C
Chapter: 6
Q57:
Which communication method shown in the diagram is unidirectional?
A. Simplex
B. Half-Duplex
C. Full-Duplex
D. None of the above
Correct Answer:
A
Chapter: 6
Q58:
In which communication method does the direction of data alternate?
A. Full-Duplex
B. Simplex
C. Half-Duplex
D. Bidirectional-Duplex
Correct Answer:
C
Chapter: 6
Q59:
Fill in the blank: In _______ communication, data flows in both directions at the same time.
A. Simplex
B. Half-Duplex
C. Full-Duplex
D. Multi-Duplex
Correct Answer:
C
Chapter: 6
Q60:
Which type of communication method is suitable for video conferencing?
A. Simplex
B. Full-Duplex
C. Half-Duplex
D. One-way communication
Correct Answer:
B