Data communication

what is Data?

• Collection of raw facts.

• Collection of information.

• Collection of processed Data.

• None of above.

what is Information?

• Raw facts.

• Collection of idea.

• Processed Data.

• All of above.

what is electronic data communication?

• Transfer of data

• Transfer of data through electronic medium.

• Transfer of data through manual medium.

• All of above.

Basic elements of data communication are

• Source/Sender

• Medium/channel

• Destination/Receiver

• All of above.

Mode of data transmission refers to .........

• Way of transmission of data from sender to receiver.

• collection of data

• Transmission of data

• None

There are .........modes of data transmission.

• 1

• 2

• 3

• 4

Simplex mode refers to ..........

• One way data transmission.

• Two way data transmission

• Two way data transmission but only in one direction at a time.

• None of above

Full-Duplex mode refers to ..........

• One way data transmission.

• Two way data transmission simultaneously.

• Two way data transmission but only in one direction at a time.

• None of above

Half-Duplex mode refers to ..........

• One way data transmission.

• Two way data transmission simultaneously.

• Two way data transmission but only in one direction at a time.

• None of above

Data travels in the digital device in the form of .....

• Analog signal

• Digital signal

• Both of above

• None of above