Get expert advice and community support for your questions on IDNLearn.com. Our experts provide accurate and detailed responses to help you navigate any topic or issue with confidence.
Programmed I/O, interrupt-driven I/O and direct access memory (DMA) are three synchronisation methods to control data transfer between I/O devices and the CPU. Which one of the following statements is TRUE for interrupt-driven I/O? 1. The CPU keeps checking the status of the I/O device. When it is ready, the CPU transfer the data. 2. The I/O device informs the CPU that it is ready for data transfer. 3. Large blocks of data is transferred via a controller to relieve the CPU of some functions. 4. A lot of CPU time is wasted with the interrupt-driven method.
Sagot :
We are happy to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. Your questions deserve precise answers. Thank you for visiting IDNLearn.com, and see you again soon for more helpful information.
