Process Management in Operating Systems – 30 Intermediate MCQs
Questions (30)
-
1. Which of the following is a CPU scheduling algorithm?
- a) First-Come-First-Serve (FCFS)
- b) Round-Robin (RR)
- c) Shortest Job Next (SJN)
- d) All of the above
-
2. What is the primary goal of process scheduling?
- a) To ensure that all processes run simultaneously
- b) To maximize CPU utilization and system efficiency
- c) To minimize system boot time
- d) To allocate memory effectively
-
3. Which of these algorithms is preemptive?
- a) First-Come-First-Serve (FCFS)
- b) Shortest Job Next (SJN)
- c) Priority Scheduling
- d) Round-Robin (RR)
-
4. What is the term for the process of switching the CPU from one process to another?
- a) Process Switching
- b) Task Scheduling
- c) Context Switching
- d) Memory Mapping
-
5. Which condition must be satisfied for a deadlock to occur?
- a) Mutual exclusion
- b) Hold and wait
- c) Circular wait
- d) All of the above
-
6. What is the banker’s algorithm used for?
- a) CPU Scheduling
- b) Disk Scheduling
- c) Deadlock Avoidance
- d) Memory Management
-
7. What does the term "critical section" refer to in process synchronization?
- a) A region of code that only one process can execute at a time
- b) A code section that terminates all processes
- c) A scheduling algorithm for critical tasks
- d) A portion of memory shared between all processes
-
8. Which of the following is NOT a process synchronization technique?
- a) Semaphore
- b) Mutex
- c) Monitor
- d) Compiler
-
9. What is the primary issue addressed by the producer-consumer problem?
- a) Deadlocks in processes
- b) Buffer synchronization between producing and consuming processes
- c) Process scheduling conflicts
- d) Allocation of memory blocks
-
10. What is the purpose of a semaphore in process synchronization?
- a) To allocate memory blocks
- b) To prevent unauthorized access
- c) To control access to shared resources
- d) To monitor CPU utilization
-
11. Which of the following is a non-preemptive scheduling algorithm?
- a) Round-Robin
- b) Priority Scheduling
- c) Shortest Job First (SJF)
- d) All of the above
-
12. What is the result of a race condition in process management?
- a) Incorrect or unpredictable behavior due to processes accessing shared resources
- b) Improved CPU performance
- c) Efficient resource allocation
- d) Reduced waiting time
-
13. What is the key purpose of an OS implementing process synchronization?
- a) To manage memory allocation
- b) To prevent processes from accessing shared resources simultaneously
- c) To increase process execution speed
- d) To improve CPU scheduling
-
14. What is a ready queue in process management?
- a) A queue for processes waiting to be allocated to a device
- b) A queue for processes waiting to execute
- c) A queue for terminated processes
- d) A queue for processes waiting to access memory
-
15. What happens when a process requests resources in the deadlock prevention approach?
- a) It is blocked until the resource is available
- b) The OS checks for safe states before allocation
- c) It is terminated if resources are unavailable
- d) None of the above
-
16. Which scheduling algorithm results in a convoy effect?
- a) Round-Robin
- b) First-Come-First-Serve (FCFS)
- c) Shortest Job First (SJF)
- d) Priority Scheduling
-
17. What does "aging" refer to in priority scheduling?
- a) Reducing the priority of processes over time
- b) Increasing the priority of waiting processes over time
- c) Balancing CPU time among processes
- d) Allocating memory to processes
-
18. What is a thread in an operating system?
- a) A unit of execution within a process
- b) A type of memory allocation
- c) A resource management tool
- d) A file handling mechanism
-
19. Which mechanism is commonly used for inter-thread communication?
- a) Mutexes
- b) Semaphores
- c) Both A and B
- d) None of the above
-
20. Which term describes a situation where higher-priority processes starve lower-priority processes?
- a) Starvation
- b) Deadlock
- c) Aging
- d) Blocking
-
21. What is the main benefit of multi-threading?
- a) Reduced hardware usage
- b) Better CPU utilization and responsiveness
- c) Minimized resource allocation
- d) Simplified process management
-
22. What does the "wait" state indicate in a process lifecycle?
- a) The process is ready to execute
- b) The process is executing in the CPU
- c) The process is waiting for an event or resource
- d) The process has completed execution
-
23. Which condition in a deadlock refers to processes holding resources while waiting for additional resources?
- a) Mutual Exclusion
- b) Hold and Wait
- c) No Preemption
- d) Circular Wait
-
24. What is the primary purpose of a process scheduler?
- a) To allocate memory to processes
- b) To manage I/O operations
- c) To select processes for execution by the CPU
- d) To manage system resources
-
25. Which process state transition occurs when an I/O event is completed?
- a) Ready to Running
- b) Running to Waiting
- c) Waiting to Ready
- d) Terminated to New
-
26. What does a context switch involve?
- a) Transferring control between user and kernel modes
- b) Switching the CPU from one process to another
- c) Allocating resources to a process
- d) Terminating a process
-
27. What type of scheduling is used in operating systems like Unix for time-sharing systems?
- a) First-Come-First-Serve (FCFS)
- b) Shortest Job First (SJF)
- c) Round-Robin (RR)
- d) Priority Scheduling
-
28. What is a safe state in deadlock avoidance?
- a) A state where processes are terminated to avoid deadlock
- b) A state where resources can be allocated without causing a deadlock
- c) A state where all processes are blocked
- d) A state with minimal CPU utilization
-
29. Which synchronization problem arises when two processes wait indefinitely for each other to release a resource?
- a) Starvation
- b) Deadlock
- c) Race Condition
- d) Priority Inversion
-
30. What is the main goal of priority inversion avoidance mechanisms?
- a) To reduce the waiting time of high-priority processes
- b) To avoid deadlocks in the system
- c) To allow processes to execute simultaneously
- d) To ensure all processes are allocated equal CPU time
Ready to put your knowledge to the test? Take this exam and evaluate your understanding of the subject.
Start ExamRelated Exams You May Like
- Online Practice MCQ Test on Subnetting and Master IP Addressing (30 Questions)
- History of Computers MCQs: From Invention to Innovation (30 Questions)
- Memory Management MCQ Quiz: Paging, Segmentation and Virtual Memory (30 Questions)
- Information and Communication Technology (ICT) Tools MCQ Test (40 Questions)
- Peripheral Devices, Functions and Usage MCQs Test Your Knowledge (30 Questions)
- Cybersecurity Basics and Threats MCQ for Professionals (30 Questions)
- History and Evolution of Programming Languages Test (30 Questions)
- Computer Architecture and Components MCQ Test (30 Questions)
- Computer Memory & Storage Devices MCQ Test – Evaluate Your Knowledge Online (30 Questions)
- Generations of Computers MCQs Online Test (30 Questions)