The most common technique for using an appropriate synchronization mechanism to serialize the accesses to prevent errors is to acquire a lock on the shared file.
<h3>What does a lock on a file mean?</h3>
The lock icon can be seen in Windows and it shows that the file or folder is one that can only be accessed by the person who lock it.
Note that The most common technique for using an appropriate synchronization mechanism to serialize the accesses to prevent errors is to acquire a lock on the shared file.
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Salutations!
<span>Which is an example of fixed expense?
Rent is an example of fixed expense, It doesn't matter whether you sell a widget or produce thousand of them, you must still pay the rent in any </span><span>circumstances.
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Hope I helped.
Answer:b)Reserve Room, Enter Contact Information, Enter Reservation Detail
Explanation: The use case is described as actors , actors goal, usage of use cases, units of scope and initial point and terminating point of use cases .
The situation mentioned in the question will take place for the reservation of the room through the instances in the form like filling the contact details for the identification , filling out reservation information as well for getting the knowledge about the room requirement by the person.
These details help in reaching out the particular person if required, number of days he wants to book the room,any extra facility he would like to have etc. After these detail filling activity the room can be reserved successfully.Thus , the most appropriate option is option (b).
Other options are incorrect because room reservation cannot be done without any formality as mentioned in the question and entering contact detail and reservation detail one by one.
The answer is PaaS (Platform as a Service)
PaaS provides users with a cloud runtime environment in which they can develop, test, manage, and deliver applications. Users are able to use a suite of pre-built tools to develop and test their own apps. Thanks to these solutions, developers are able to deploy applications without the need of infrastructures such as servers, operating systems, or development tools.