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Questions and Answers
Which of the following best describes the Asynchronous Data Transfer scheme?
What does the CPU do in the Asynchronous Data Transfer scheme?
What are the two types of techniques used in the Asynchronous Data Transfer scheme based on signals before data transfer?
Study Notes
Asynchronous Data Transfer Scheme
- Asynchronous Data Transfer is a technique where data is transmitted without a clock signal, allowing devices to transmit data at their own pace.
- The CPU's role in this scheme is to initiate the data transfer and then wait for an acknowledgment from the receiving device before transferring more data.
Techniques Used in Asynchronous Data Transfer
- There are two types of techniques used in Asynchronous Data Transfer based on signals before data transfer:
- Synchronous Start-Stop Technique: uses a start bit to indicate the beginning of data transmission and a stop bit to indicate the end of data transmission.
- Asynchronous Character-Oriented Technique: uses a start and stop bit to frame each character, allowing for asynchronous transmission of multiple characters.
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Description
Test your knowledge on Asynchronous Data Transfer with this informative quiz! Learn about how this scheme is used when the speed of I/O devices does not match with the microprocessor, and the timing characteristics of I/O devices are unpredictable. Explore the different types of Asynchronous Data Transfer methods and improve your understanding of this important concept in computer architecture.
