Data Transmission Type and Methods - Computer Science Grade 10

What is data transmission?

• A. The process of converting data into images

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  B. The process of moving data from one device to another

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  C. The process of deleting unnecessary data

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  D. The process of encrypting all stored data

Which of the following is an example of simplex data transmission?

• A. A phone call

• B. A walkie-talkie conversation

• C. A television broadcast

• D. An online chat

Which type of data transmission allows data to flow in both directions simultaneously?

• A. Simplex

• B. Half-duplex

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  C. Full-duplex

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  D. Asynchronous

What is the main difference between serial and parallel transmission?

• A. Serial sends multiple bits at a time, while parallel sends one bit at a time

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  B. Serial sends one bit at a time, while parallel sends multiple bits at once

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  C. Serial is always faster than parallel

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  D. Parallel is used for long-distance communication

Which unit is used to measure data transmission speed?

• 
  A. Megabytes (MB)

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  B. Megabits per second (Mbps)

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  C. Gigahertz (GHz)

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  D. Kilograms (kg)

What is the fastes data transfer?

• Simplex

• Half-duplex

• Full-duplex

• Parallel

Which of the following is true about serial data transmission?

• A. It sends multiple bits at the same time.

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  B. It is mostly used for short-distance communication.

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  C. It is slower but more reliable over long distances.

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  D. It requires multiple communication channels.

Which of the following is an example of parallel data transmission?

• A. USB data transfer

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  B. Ethernet cable communication

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  C. Internal communication between CPU and RAM

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  D. Bluetooth file sharing

Which of the following best describes serial transmission?

• A. It is always faster than parallel transmission.

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  B. It sends data one bit at a time using a single channel.

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  C. It only works for small data packets.

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  D. It is only used in wireless communication.

Which factor makes serial transmission more suitable for long distances compared to parallel transmission?

• A. Lower cost of cables
  

• B. Higher data transfer speed

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  C. Less interference and signal degradation

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  D. Ability to send multiple bits at once