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What are the similarities and differences between synchronous and asynchronous transmission modes?
Asynchronous transmission refers to the case when the sending initiate transmission of byte at any instant of time. In asynchronous transmission only one byte is sent at a time and there is no time relation between consecutive bits. This transmission is also referred to as start-stop transmission.
This is achieved by providing two extra bits, a start bit at the beginning and a stop bit at the end of a byte. The start bit always "0" and is prefixed to each byte. The stop bit is always "1" and also suffixed to each byte usually 1,1.5 or 2 bits.
ANSWERED BY= SATISH KUMAR (AKASH VERMA) [LUCKNOW UNIVERSITY LUCKNOW]
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What the different between synchronous and asynchronous?
In asynchronous transmission , the receiver and the transmitter each use their own clock signals so its not possible to know when a word starts and stops. while in synchronous , the receiver and the transmission have common clock signals.
What transmission is data sent in a constant stream of frames?
synchronous transmission. In a asynchronous transmission, data is sent as individual data bytes
Is VoIP a synchronous or asynchronous form of communication?
synchronous
Is rs232 synchronous or asynchronous?
It can be either.
Why the synchronous modems are more costly than the asynchronous modems?
Because they contain clock recovery circuits
Differences between synchronous and asynchronous timing?
Synchronous timing refers to events that occur simultaneously or in a set order, while asynchronous timing refers to events that occur at different times or independently. In computing, synchronous timing means actions are performed in a fixed order and generally halt until completion, while asynchronous timing allows tasks to be executed in parallel without waiting for each other to finish.
What is the difference between synchronous IO and asynchronous IO?
If a process requests that the O/S write data to disk, and has to wait for it to be written before continuing, then that is Synchronous. If the process does not have to wait for the write to be completed, that is Asynchronous. Synchronous is real-time.
Differecne between synchronous circuit and a asynchronous circuit?
Synchronous circuits operate under the influence of s clock pulse while asynchronous circuits operate without the influence of a clock pulse
Difference between synchronous and Asynchronous serial communication in micro controller?
Synchronous: The synchronous format, receiver or transmitters are synchronized. A block of information is transmitted along with the synchronization information. This is clk oriented transmission format. This information is specially used for high speed transmission. Usually in this synchronous system one or two SYNC character are used for data synchronous data system. Transmission device send data continuously to receiving device. If the data is not ready this system continuously synchronous data until the data is unviable. Asynchronous: It is character oriented. Each character comes with the information of start and stop. In this system 1 for mark, 0 for space. When data are being transmitted a receiver stay at high at logic 1. This is specially used in low speed transmission.
What is the difference between uart and usart?
UART is universal asynchronous receiver/transmitter. It is a piece of computer hardware that translates data between parallel and serial forms. Modern ICs that have UART's that can also communicate synchronously are called USARTs (universal synchronous/asynchronous receiver/transmitter).
Does Synchronous memory retrieves data faster than asynchronous memory?
yes
What is a slip in electricity?
it is the difference between the synchronous and asynchronous speed of a induction motor
