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CPU Sharing, Race Conditions, Synchronization & CPU Scheduling Video Lecture | Question Bank for GATE Computer Science Engineering - Computer Science Engineering (CSE)
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63 videos|7 docs|165 tests
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FAQs on CPU Sharing, Race Conditions, Synchronization & CPU Scheduling Video Lecture - Question Bank for GATE Computer Science Engineering - Computer Science Engineering (CSE)
| 1. What is CPU sharing in computer science engineering? |  |
Ans. CPU sharing refers to the practice of allocating the processing power of a central processing unit (CPU) to multiple users or processes. It enables multiple tasks or programs to run simultaneously on a single CPU, by dividing the CPU time among them. This technique is commonly used in operating systems to achieve multitasking and improve system efficiency.
| 2. What are race conditions in computer science engineering? | |
Ans. Race conditions occur when two or more processes or threads access shared data or resources concurrently, resulting in unpredictable and erroneous outcomes. These conditions arise due to the non-deterministic order of execution of concurrent processes. The outcome of a race condition depends on the relative timing of the processes, leading to inconsistencies or unexpected behavior in the system.
| 3. How does synchronization help in computer science engineering? | |
Ans. Synchronization is a mechanism used in computer science engineering to coordinate the execution of multiple processes or threads to ensure safe and consistent access to shared resources. It involves the use of synchronization primitives, such as locks, semaphores, or monitors, to enforce mutual exclusion and order of execution. Synchronization prevents race conditions, data corruption, and ensures the correct functioning of concurrent programs.
| 4. What is CPU scheduling in computer science engineering? | |
Ans. CPU scheduling is a process performed by the operating system to determine the order in which processes or threads are executed on a CPU. It aims to optimize the utilization of the CPU and improve system performance. Various scheduling algorithms, such as First-Come-First-Serve (FCFS), Round Robin, and Shortest Job Next (SJN), are used to allocate CPU time to different processes or threads based on their priority, burst time, or other criteria.
| 5. How do race conditions affect the performance of computer systems? | |
Ans. Race conditions can significantly impact the performance and reliability of computer systems. When multiple processes or threads compete for shared resources without proper synchronization, it can result in data corruption, deadlocks, or livelocks. These problems can lead to system crashes, loss of data, or inefficient execution of programs. Therefore, it is crucial to address race conditions through proper synchronization techniques to ensure the stability and efficiency of computer systems.
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Nov 18, 2024 Last updated |
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