Data Transmission Quiz 1

What is the main purpose of data transmission in computing?

• A) To store data permanently

• B) To print documents

• C) To transfer data from one device to another

• D) To perform calculations

Which of the following describes serial transmission?

• A) Data is sent in blocks simultaneously

• B) Multiple bits are sent together over parallel lines

• C) Data is sent one bit at a time over a single wire

• D) Data is stored on a disc before transmission
  

What is parallel transmission best suited for?

• A) Long-distance communication

• B) Sending multiple emails

• C) Short-distance communication within devices

• D) Compressing files

In simplex transmission:

• A) Data flows in one direction only

• B) Data flows in both directions at the same time

• C) Data flows alternately in both directions

• D) Data is not transmitted at all

Which transmission method allows data to be sent in both directions, but only one direction at a time?

• A) Simplex

• B) Duplex

• C) Half-duplex

• D) Asynchronous

Full-duplex transmission:

• A) Is slower than half-duplex

• B) Allows data to flow in both directions simultaneously

• C) Uses only one wire

• D) Cannot be used for video calls

Before data is transmitted over a network, it is broken into:

• A) Frames

• B) Chunks

• C) Packets

• D) Bits

Which part of a data packet contains the actual data being sent?

• A) Header

• B) Payload

• C) Trailer

• D) Footer

Which part of a data packet contains the actual data being sent?

• A) Header

• B) Payload

• C) Trailer

• D) Footer

The header of a data packet contains:

• A) The binary data

• B) Error-checking information

• C) The sender and receiver IP addresses

• D) Image formatting details