COMMUNUCATION TEST

Which of the following is not a primary component of a basic communication system?

• A) Transmitter

• B) Channel/Transmission Medium

• C) Router

• D) Receiver

What is the main purpose of modulation in communication systems?

• A) To increase the message's accuracy

• B) To alter the carrier signal to match the message signal for better transmission

• C) To encode the message for encryption

• D) To change the type of message being sent

Which of the following is an example of guided media?

• A) Radio waves

• B) Optical fibers

• C) Microwaves

• D) Satellite signals

Which of the following is a characteristic of baseband transmission?

• A) It requires modulation for long-distance transmission

• B) It is suitable for long-distance communication without modulation

• C) It directly transmits the message without modification

• D) It only works with digital signals

What does a transducer do in a communication system?

• A) Transforms digital signals into analog signals

• B) Converts one form of energy into another

• C) Encrypts the transmitted message

• D) Modulates the carrier wave

Which of the following is NOT an example of an electronic communication system?

• A) Radio

• B) Mobile phone

• B) Mobile phone

• ) Satellite systems

What is the role of the receiver in a communication system?

• ) To encode the message for transmission

• B) To convert the received signal back into the original message

• C) To convert the message into an electrical signal

• D) To provide power to the system

What type of modulation is used to send digital signals over analog communication channels?

• A) Analog Modulation

• B) Digital Modulation

• C) Frequency Modulation

• D) Amplitude Modulation

Which of the following is an example of unguided media?

• A) Copper wires

• B) Radio waves

• C) Fiber optic cables

• D) Coaxial cables

What is the primary objective of a communication system?

• A) To ensure the message is encrypted

• B) To transfer information with minimal errors

• C) To encode the message for security purposes

• D) To use as many channels as possible