Why the serial transmission is preferred over the parallel transmission?

Serial transmission is slower since data flows through a single line; conversely, parallel transmission is faster since data flows through multiple lines. … The cables used in serial transmission are thinner, longer, and more economical compared to the cables used in parallel transmission.

What are advantages of serial data transmission over parallel data transmission?

Serial mode offers the advantage of fewer traces on the pc board, and fewer pins on the devices. Parallel offers the advantage of transferring 8 data bits per I/O clock cycle, but at the disadvantage of many more pins required on the devices.

Which is better parallel or serial data transmission?

Parallel Transmission is faster than serial transmission to transmit the bits. Parallel transmission is used for short distance.

Difference between Serial and Parallel Transmission:

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S.NO Serial Transmission Parallel Transmission
1. In serial transmission, data(bit) flows in bi-direction. In Parallel Transmission, data flows in multiple lines.

Why is parallel data transmission preferred over serial data transmission for most applications it is much slower it is cheaper it is much faster more people use it?

Explanation: Parallel data transmission preferred over serial data transmission for most applications because it is much faster as bits are transmitted simultaneously, whereas in serial data transmission, bits are transmitted one by one.

What are the advantages of serial data transmission?

➨It uses less number of conducting wires, hence reduces cost of the interface. ➨It supports long distance data communication. ➨It uses less number of wires often only one, this leads to simple interface between transmitting and receiving devices or ICs. It is easy to implement.

What is the advantage of using serial data transmission over parallel data transmission Mcq?

Explanation: Parallel transmission is high speed and serial data can cover longer distances.

What are the advantages of parallel transmission?


  • High speed − It can transmit N bits at the same time. …
  • Match to underlying hardware − Internally, computer and transmission hardware use parallel circuits. …
  • Data is sent much faster as parallel transmission can increase the transfer speed by a factor of n over the serial transmission.

What is the difference between serial transmission and parallel transmission?

Serial transmission requires a single line to communicate and transfer data whereas, parallel transmission requires multiple lines. … Serial transmission is used for long-distance communication. As against, parallel transmission is used for the shorter distance.

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Why is serial data transmission faster than parallel?

Serial transmission is slower than parallel transmission given the same signal frequency. With a parallel transmission you can transfer one word per cycle (e.g. 1 byte = 8 bits) but with a serial transmission only a fraction of it (e.g. 1 bit).

What is the difference between serial and parallel interfaces?

The main difference between the serial and parallel interfaces is how they transmit data. In serial interface the data is sent or received one bit at a time over a series of clock pulses. In parallel mode the interface sends and receives 4 bits, 8 bits, or 16 bits of data at a time over multiple transmission lines.

What are the methods of data transmission?

There are two methods used to transmit data between digital devices: serial transmission and parallel transmission. Serial data transmission sends data bits one after another over a single channel. Parallel data transmission sends multiple data bits at the same time over multiple channels.

Why do most communication systems use serial transmission?

Serial communication is used for transmitting data over long distances. It is much cheaper to run the single core cable needed for serial communication over a long distance than the multicore cables that would be needed for parallel communication.

What is parallel transmission explain with suitable example?

Examples of parallel mode transmission include connections between a computer and a printer (parallel printer port and cable). Most printers are within 6 meters or 20 feet of the transmitting computer and the slight cost for extra wires is offset by the added speed gained through parallel transmission of data.

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What is advantage & disadvantage of parallel communication?

➨It supports short distance communication between devices. This is due to crosstalk between the parallel lines. ➨It uses more wires compare to serial interface and hence it is costly and a bit complex to implement.