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List the task regions in the Spiral model.
Customer communication - In this region it is suggested to set up customer communication.
Planning - All planning activities are carried out in order to explain resources timeline and other project related activities.
Risk analysis - The tasks needed to calculate technical and management risks.
Engineering - In this the task region, tasks needed to build one or more representations of applications are carried out.
Construct and release - All the essential tasks required to construct, test, install the applications are conducted.
Customer evaluation - Customer's feedback is attained and based on the customer evaluation required tasks are performed and executed at installation stage
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
What is area moment
What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient
What is the sequence in which resources may be utilized? Under normal mode of operation, a process may utilize a resource in the following sequence: Request: If the requ
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that put back the page that will not be us
Processes and threads each have their place in multi-programming, generally to hide latency and to maximize CPU utilization. With the continuing spread of multi-core processors in
The swapper work s on the biggest scheduling priority. Initially it will look for any sleeping process, if not get then it will see for the ready-to-run process for swapping. Bu
Q. What is the major difficulty that a programmer should overcome in writing an operating system for a real-time environment? Answer: The major difficulty is keeping the oper
Define an assembly language Assembly language stands for a Low level programming language
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