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a. Explain the hardware mechanism for handling multiple interrupt requests.
b. What are handshaking signals? Describe the handshake control of data transfer during input and output operation.
c. Draw the typical block diagram of a DMA controller and determine how it is used for direct data transfer among memory and peripherals.
What are interrupts? Interrupt: An interrupt is a hardware mechanism which enables an external device, classically input/output devices, to send a signal to the CPU. An int
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Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.
The "blocking factor" of a file is? Ans. The number of logical records in single physical record is called the "blocking factor" of a file.
illustration of Z80 instruction set Computer
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