Railways Exam  >  Railways Questions  >   A critical region:a)is a piece of code which... Start Learning for Free
A critical region:
  • a)
    is a piece of code which only one process executes at a time
  • b)
    is a region prone to dead-lock
  • c)
    is a piece of code which only a finite number of processes execute
  • d)
    is found only in Windows NT operating system
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A critical region:a)is a piece of code which only one process execute...
Critical Section is the part of a program which tries to access shared resources. That resource may be any resource in a computer like a memory location, Data structure, CPU or any IO device. The critical section cannot be executed by more than one process at the same time; the operating system faces the difficulties in allowing and disallowing the processes from entering the critical section. The critical section problem is used to design a set of protocols which can ensure that the Race condition among the processes will never arise.
View all questions of this test
Most Upvoted Answer
A critical region:a)is a piece of code which only one process execute...
Understanding Critical Regions
A critical region, also known as a critical section, is a fundamental concept in concurrent programming and process synchronization. It refers to a segment of code that must not be executed by more than one process or thread at a time. This ensures data integrity and prevents race conditions.
Key Characteristics of Critical Regions:
  • Mutual Exclusion: Critical regions ensure that only one process can access shared resources (like variables or data structures) at any given moment.
  • Process Coordination: They coordinate access among multiple processes, preventing conflicts and ensuring that changes made by one process are visible to others.
  • Implementation Mechanisms: Various synchronization mechanisms can be used to enforce mutual exclusion, such as mutexes, semaphores, and monitors.


Importance of Critical Regions:
  • Data Consistency: By allowing only one process to execute within a critical region, data inconsistency is avoided, which can occur if multiple processes try to modify shared data simultaneously.
  • System Stability: Properly managed critical regions contribute to overall system stability and performance by minimizing the chances of deadlocks and race conditions.


Conclusion:
Understanding and implementing critical regions is crucial in the design of concurrent systems. It ensures that processes can work with shared resources safely and effectively, making option 'A' the correct answer.
Explore Courses for Railways exam
A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer?
Question Description
A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer?.
Solutions for A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Railways. Download more important topics, notes, lectures and mock test series for Railways Exam by signing up for free.
Here you can find the meaning of A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice A critical region:a)is a piece of code which only one process executes at a timeb)is a region prone to dead-lockc)is a piece of code which only a finite number of processes executed)is found only in Windows NT operating systemCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Railways tests.
Explore Courses for Railways exam

Top Courses for Railways

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev