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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
how the system call is work?
Determine a critical section is a program segment Critical section is where shared resources are accessed
Q. Capability lists are typically kept within the address space of the user. How does the system make sure that the user cannot modify the contents of the list? Answer: An ap
Question : a) Describe the difference between the authentication of a user account on a peer to peer network and a client server network. b) Compare an end user account with
Write a note on the usage of semaphores. Semaphore is a synchronization tool and it is a variable having integer values. It is accessed only by two standard atomic operations w
origin of opreation reasrech
An operating system act as an intermediary between user of a computer and computer hardware. The objective of an operating system is to provide an environment in that a user can ex
What are the different methods for handling deadlocks? Deadlock detection and recovery: Permit the system to enter a deadlock state, detect it and after that rec
What are the main differences between operating systems for mainframe computers and personal computers? The design goals of operating systems for those machines are quite diffe
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
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