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Q. Design issues related to interrupt-driven Input - output?
So interrupt handling includes interruption of currently executing program, execution of interrupt servicing program and restart of interrupted program from point of interruption.
Design issues: 2 design issues occur in implementing interrupt-driven I/O:
1) How does processor decide which device issued interrupt?
2) If multiple interrupts have occurred then how does processor determine which one to be processed first?
What happens when HLT instruction is implemented in processor? Ans) The Micro Processor go into the Halt-State and the buses are tri-stated.
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The preorder traversal sequence of a binary search tree is 30, 20, 10, 15, 25, 23, 39, 35, 42. Which one of the following is the postorder traversal sequence of the same tree?
Reduce the following equation using k-map Y = BC‾D‾ + A‾BC‾D + ABC‾D + A‾BCD + ABCD Ans. Multiplying the first term with (A+A') Y = A'BC'D' + ABC'D' + A'BC'D + ABC'D + A'BCD +
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