WCM Chapter 1

Which statement is Not True  for 'Digital transmission'?

• Easy to Apply Encryption

• Transmit Longer Distance

• Maintain Data Integrity

• Difficult to Multiplex

Which one is not a type of media are used in communication system?

• Optical Media

• Wood pole

• Free Space (Air)

• Electrical Conductors

Electrical Conductors

• Full-Duplex Link

• Simplex Link

• Duplex Link

• Half-Duplex Link

'Analogue' transmission conveys voice, data, image or video information using an information signal that is _____________________.

• continuously varying

• constant frequency

• constant voltage

• discretely varying

Which of the following 'Multiple-Access' scheme share the same frequency channel by dividing the signal into different time slots?

• FDMA

• TDMA

• CDMA

• SDMA

Which of the following is TRUE about 'Digital Transmission?

• Maintains Data Integrity

• Transmit shorter distance

• Difficult to Multiplex

• Difficult to apply Encryption

All electronic communication systems have a 'Transmitter', a '____________' (Medium), and a 'Receiver'.

• Visitor Channel

• Home Channel

• Communication Channel

• Passing Channel

Which of the following is TRUE about 'Parallel Transmission'?

• 'Parallel Transmission' is slower than 'Serial Transmission'.

• 'Parallel Transmission' is suitable for long distance communication.

• 'Parallel Transmission' uses Byte-Wide transmission.

• 'Parallel Transmission' does not suffer from 'Skew' problems.

Which of the following is NOT an element of a 'Communication Model'?

• Communication Channel

• Communication Signal

• Transmitter

• Receiver

Which of the following statements describe the 'Communication Link' where information travels in one direction only.

• Simplex

• Half-Duplex

• Full-Duplex

• Multiplex