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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).
Disadvantages of macro processor
Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and implements the instructions. Most Micro Processor is single- chip devices.
What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi
What is recursion? A recursive procedure should have two properties. What are they? Recursion means function call itself repeatedly. Properties : (1) There
What are the three data anomalise that are likely to occur as a result of data redundancy?
Define a console-program to make an array of integers. Initialize the array and assign the values in array. Describe a method to pass the array and alter array elements. show array
What is commitment unit? When out-of-order execution is permitted, a special control unit is required to guarantee in-order commitment. This is known as the commitment unit. It
State about the Behavioral modeling Behavioral means how hardware behaves determine exact way it works we write using HDL syntax. For complex projects it's better mixed approac
Q. Why we need linker? The linker: Joins assembled module in one executable program, Produces an .EXE module and initializes with special instructions to facilitate
Define processor clock. Processor clock is explained as the time periods in which all operations and data transfer within the processor take place.
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