Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1181: In AM, higher modulation index results in _______.
- A: Increased noise immunity
- B: Reduced bandwidth
- C: Increased power consumption
- D: Improved digital signal quality
View Answer
C
Q1182: What does a Karnaugh Map help to simplify in Boolean algebra?
- A: Logic gates
- B: Boolean expressions
- C: Arithmetic operations
- D: Digital circuits
View Answer
B
Q1183: Social networks enable users to communicate with each other by posting _______.
- A: information, comments, messages, images, and videos
- B: technical documents
- C: programming code
- D: commercial advertisements
View Answer
A
Q1184: Representation of Analog information by an Analog signal is called _______.
- A: Amplitude Modulation (AM)
- B: Frequency Modulation (FM)
- C: Pulse Code Modulation (PCM)
- D: Digital Encoding
View Answer
B
Q1185: Which of the following is an example of digital communication?
- A: Telephone call
- B: FM radio
- C: Email
- D: Vinyl records
View Answer
C
Q1186: In Boolean algebra, De Morgan’s Theorem is used to _______.
- A: Convert logical expressions into standard form
- B: Simplify complex expressions
- C: Design arithmetic circuits
- D: Analyze electrical networks
View Answer
B
Q1187: Which logic gate produces an output of 1 when both inputs are 1?
- A: OR
- B: AND
- C: XOR
- D: NOR
View Answer
B
Q1188: The process of transmitting signals over a distance is called _______.
- A: Broadcasting
- B: Encoding
- C: Modulation
- D: Compression
View Answer
C
Q1189: Which of the following is NOT a characteristic of social networks?
- A: Real-time communication
- B: Privacy protection by default
- C: User-generated content
- D: Networking with others
View Answer
B
Q1190: What is the primary purpose of Frequency Modulation (FM)?
- A: Increase bandwidth
- B: Reduce noise and interference
- C: Improve digital transmission
- D: Compress data
View Answer
B