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When can a user program execution be interrupted?
It won't be desirable to interrupt a program when an instruction is being executed and is in a state such as instruction decode. The most desirable place for program interruption will be when it has completed the prior instruction and is about to begin a new instruction. Figure below shows instruction execution cycle with interrupt cycle where interrupt situation is acknowledged. Please remember that even interrupt service routine is also a program and after recognizing interrupt next instruction executed by instruction cycle is first instruction of ISR (interrupt servicing routine).
Define parity bit and List its types. The most common error detection code used is the parity bit. Parity bit is a extra bit contained with a binary message to make the total n
Classification of interrupts: 1. a) asynchronous external components or hardware malfunction 1.b)synchronous function of program state (for example over
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Write an algorithm for deadlock detection. An algorithm for deadlock detection: 1. Assume that Work and Finish be vectors of length m and n, correspondingly. Initialize:
Q. Define Point-to-point Communication? The simplest form of message is a point to point communication. A message is sent from the transmitting processor to a receiving process
The defining traits of an object-oriented language are: * Encapsulation * Inheritance * Polymorphism
Reason behind using Intranet The major reasons for doing this include: - Safer as there is less chance of external viruses or hacking - It's possible to prevent employe
Find the minimum SOP and POS expression for the following functions using Karnaugh Map and realize the expression using appropriate gates. Also realize SOP form using NAND-to-NAND
1. Write the function makegrid. This function accepts a width and height and creates a grid/matrix of cells. The width gives the number of columns and the height the number of rows
What is non-repudiation? how can it be achieved in designing e-cash based system?
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