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Differentiate between pre-emptive and non-pre-emptive scheduling.Pre-emptive scheduling: in its approach, center processing unit can be taken away from a process if there is a require while in a non-pre-emptive approach if one time a process has been specified the CPU, the CPU can't be taken away from such process, unless the process leaves or completes the CPU for performing an Input and Output.Pre-emptive scheduling is more helpful in high priority process that requires immediate response, for illustration in real time system. Whereas in non-preemptive systems, jobs are made to wait through longer jobs, but treatment of each process is fairer.
Q. Criteria for selecting a theme for a project? Topics for projects as we indicated earlier should emerge from the children's world. Teaching often becomes boring and unintere
why we say OS is a resource allocator and control program
reate a directory "Unix" under your home directory. Command(s): ………………………………………….
Interval between the time of submission and completion of the job is? Ans. Turnaround time is the interval in between the time of submission and completion of the job.
Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri
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All digital devices are made from circuits whichcan be switched between two possible states.These two states are represented by a voltagelevel at the output of the circuit e.g. 0V
Types of Structure Charts Transaction structure - control module calls subordinate modules, each of which handles a certain transaction More afferent processes Le
The following are the difference among Activity and Sequence Diagrams: A sequence diagram represents the way of processes implement in a sequence. For example, the order of op
What are subroutines? Subroutines are program modules, which can be known from other ABAP/4 programs or within the similar program.
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