IGCSE Chap 2(ii)

Data transfer interface could be...

• Parallel and perpendicular
  
• Parallel and serial
• Serial and Continuos

• Serial parallel and continuous

Serial transmission is also known as

• mega-byte serial transmission
• binary-code serial transmission
• bit-serial transmission
• serial transmission

Parallel transmission is used

• for long distance communication
• for convert the parallel data into serial data
• for short distance communication
• None

All the bits of data are transmitted simultaneously on separate communication lines

• In serial transmission
• In communication transmission
• In parallel transmission
• In transfer transmission

In order to transmit n bits, n wires or lines are used.

• In parallel transmission
• In serial transmission

 In serial transmission, the various bits of data are transmitted serially one after the other.

• True
• False

Examples for synchronous exchange

• Movie maker
• Phone call and webservices
• Email and post card
• Photos

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• Parallel communication
• Serial communication

¿Digital or analogue?

• Digital signal
• Analog signal
• None

Which of these forms of communication are full duplex?

• editing a wikipedia article

• broadband phone call

• a landline phone call

• a radio broadcast