Cascading termination refers to the termination of all child processes if the parent process terminates. a) Normally or abnormally b) Abnormally c) Normally d) None of the mentioned
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- Critical Sections - Select all of the following statements that are true A critical section is a segment of code in which a process has write-access to data or resources that are shared with at least one other process. Every process waiting to enter a critical section must be allowed to enter it at some point. No eternal waiting must be possible. In a system consisting of n processes, a critical section protected by a mutex variable can be accessed by more than one process at a time. A process not executing in a critical section must not prevent other processes from entering the critical section. Critical sections must never contain data shared by multiple processes. O DELL WIEEE Std 610.12-1990 (IEEE, 1990) defines these aspects as follows: “Verification – The process of evaluating a system or component to determine whether the products of a given development phase satisfy the conditions imposed at the start of that phase.” “Validation – The process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements.” “Qualification – The process used to determine whether a system or component is suitable for operational use.”. A.) Can a project that successfully passed verification and validation reviews but failed part of the qualification review adequately supplies users with. Explain your answer.B.) In which respects is the project described in (2) inferior to a project that passed all three reviews? In what way will this difference affect operation of the software system? the information needed.all of these conditions must be to happen the deadlock state else : process termination circular wait mutual exclusion hold and wait
- When the parent process terminates, whether normally or unexpectedly, so do the offspring processes.It is recommended that, in the event of a standstill, those processes be terminated, which will result in the following outcomes:Computer Science Lab 3: Goal-Question-Metric (GQM) – Part 1/2 Scenario: Suppose you are software project manager in a reputable organization. You are managing a software development project. “Reliability” is amajor concern for that project. During the testing phase, the testing team has found a series of anomalies (bugs/errors/faults/problems). If the same situation persists for long time (before deadline) the software could not be delivered and would not be of a good quality. You then decideto fix those anomalies before the deadline. Task: ========================================== Draw a GQM tree that will help you to decide when to ship the software. ========================================== Hint 1: Revisit the definition of reliability from slides of first week. Re-read GQM if required. Hint 2: It would be easier to first write Goal, then Questions and then Metrics. Then, think, discuss (with class fellows and with the lab teacher), and update them. Then construct the GQM tree.
- 26 In critical section problem, allowed to enter their critical sections after a process has made a request to enter its critical section and before that request is granted. A _limits number of times that other processes are bounded waiting progress unbounded waiting mutual exclusionCascading termination occurs when the parent process ends in one of the following ways: a) Normally or abnormally b) Abnormally c) Normally d) None of the above.Computer Science Class diagram and Object diagram Answer the following questions based on the scenario below of a Request For A Cleaning System. Busy Bees Home Cleaning Service employs a number of cleaners that take cleaning jobs from a central dispatch service. Customers can request a cleaning job by phoning in and making an appointment. The employee that takes the call checks if there is sufficient staff for the appointment. If there is, the employee records the customer and appointment. If there isn’t the staff member suggests other times that are available. Customers can also request a regular cleaning service (e.g. weekly), as well as a specific cleaner. If there is any variation in the job (e.g. the customer requests that windows be cleaned in addition to the normal cleaning job) the cleaner informs the office before the bill is credited to the customer’s account. Most customers are charged via their credit card; regular customers can have an account whereby they are invoiced on…
- Bounded waiting requires that \A bound must exist on the number of times that other processes are allowed to enter their critical sections a) true b) falsePlease define wait()'s role in process termination if you have a code example.Cascading termination happens when the parent process terminates normally or unexpectedly.