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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).
Does the use of wire-center have any influence on the performance of a token ring? Explain. One problem along with a ring network is as if the cable breaks somewhere, the ring
Define Multiprogramming. Multiprogramming: A multiprogramming operating system is system which allows extra than one active user program or part of user program to be store
Q. Reduce following to minimum literals and derive their complements. 1. [(AB)'A][(AB)'B] 2. ABC(ABC' + AB'C + A'BC) 3. (A+C+D) (A+C+D') (A+C'+D)(A+D')
What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is executed, it is treated as by the hardware as
What are latches and flipflops? There are two types of circuits as follows: a. Combinational b. Sequential Flipflops and latches both come into the category of "sequen
What is an imperative statement? Ans. Shows an action to be performed throughout execution of assembled program is an imperative statement.
Scenarios encapsulate the Vuser Groups and scripts to be implemented on load generators at run-time. Manual scenarios can deal out the total number of Vusers between scripts bas
What is the disadvantage of strobe method. The drawbacks of strobe method are that the source unit that show the transfer has no way of knowing whether the destination unit h
How is a valid user identifier accomplished? A valid user identifier is accomplished within one or more of given ways: • Provide some password, which only user knows. • P
Q. Define syntax of MPI_Scatter function? MPI_Scatter(Sendaddr, Scount, Sdatatype, Receiveaddr, Rcount, Rdatatype, Rank, Comm): 'Using this function process with rank' ran
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