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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 interrupt signal requests the CPU to interrupt its present activities and attend to the interrupting devices requires. A CPU will check interrupts only after this has done the processing of one instruction and before this fetches a subsequent one.
What are Multidimensional Arrays? Multidimensional array: Multidimensional arrays can be defined as "arrays of arrays". For example, a bidimensional array can be fictional as a
What is computer virus? A computer virus is a computer program that is designed to spread itself between computers. Computer virus are inactive when standing a
Suppose that a process scheduling algorithm favors those processes that have used the least processor time in the recent past. Why will this algorithm favour I/O- bound processes,
Q. What is Collective Message Passing? In collective message passing all the processes of a group take part in communication. MPI offers a number of functions to apply the coll
How are interrupt handled by the operating system? The fundamental interrupt mechanism works as follows: The CPU hardware has wire called the interrupt-request line which
Q. Sequential Execution of Instructions in RISC? Let's describe pipelining in RISC with an illustration program execution sample. Take the given program (R denotes register).
Binary Resolution: However we saw unit resolution for a propositional inference rule in the previous lecture: (A? B, ¬B) /A Thus we can take this a little further to
What is schedulers? A process migrates between the various scheduling queues throughout its life time. The OS must select processes from these queues in some fashion. This sel
SMTP is a Protocol used for transferring message among end user & Mail Server.
Q. Example of arrays pointers? General form of declaration of array in Fortran 90 is type, DIMENSION(bound) [,attr] :: name E.g. the declaration INTEGER, D
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