Free Mock Test - Operating System : Deadlock (Test 1)

Deadlock is one of the most critical concepts in Operating Systems, where multiple processes get stuck because each is waiting for resources held by others, leading to a complete system halt. Understanding deadlock is essential for students as it helps them grasp process management, resource allocation, and system efficiency—core topics frequently asked in academic and competitive exams such as BCA, B.Tech, and other computer science tests.
Practicing deadlock through an online test improves problem-solving skills, logical thinking, and exam readiness by exposing students to real-world scenarios and tricky questions. This Operating System: Deadlock Online Test is specially launched by Teachexam to help students strengthen their concepts, boost confidence, and perform better in exams with structured and practice-oriented learning.

Total Questions : 20

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Question : If granting a resource request leads to an unsafe state, the operating system will


Question : In Banker’s Algorithm, the Need matrix is calculated as


Question : A system is said to be in a safe state if


Question : Which algorithm is commonly used for deadlock avoidance in operating systems?


Question : Deadlock avoidance in an operating system ensures that the system


Question : Spooling is mainly used to reduce which deadlock condition?


Question : The hold and wait condition occurs when:


Question : Which of the following is a practical way to prevent circular wait?


Question : Which of the following conditions must be removed to prevent deadlock?


Question : Deadlock prevention ensures that:


Question : Which of the following is NOT a strategy for handling deadlocks?


Question : Which strategy allows deadlocks to occur and then detects and resolves them?


Question : In deadlock avoidance, the operating system allocates resources only if:


Question : Deadlock prevention works by:


Question : Which strategy assumes that deadlock rarely occurs and the operating system simply ignores it?


Question : In a deadlock situation, what happens to the processes?


Question : Which condition means a process holds a resource while waiting for another resource?


Question : Which of the following is NOT a necessary condition for deadlock?


Question : Deadlock mainly occurs due to competition for:


Question : What is a deadlock in an operating system?