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Process scheduling

Quiz by R.K.Swathikaa PSGRKCW

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25 questions
Show answers
  • Q1
    What is process scheduling?
    The process of determining which process in the ready state should be executed next.
    The process of loading a process into memory.
    The process of terminating a process.
    The process of compiling a program.
  • Q2
    What is the purpose of a process scheduler?
    To load processes into memory.
    To terminate processes.
    To compile programs.
    To allocate CPU time to available processes.
  • Q3
    What is a CPU burst?
    The amount of time a process uses the CPU without interruption.
    The time it takes to terminate a process.
    The time it takes to compile a program.
    The time it takes to load a process into memory.
  • Q4
    What is preemptive scheduling?
    A scheduling policy where the shortest job is executed first.
    A scheduling policy where processes are executed sequentially.
    A scheduling policy where a running process can be interrupted and moved out of the CPU.
    A scheduling policy where all processes are given equal priority.
  • Q5
    What is the purpose of context switching?
    To save and restore the context of a process during a scheduling decision.
    To load a process into memory.
    To terminate a process.
    To compile a program.
  • Q6
    What is the difference between preemptive and non-preemptive scheduling?
    Preemptive scheduling executes processes sequentially.
    Preemptive scheduling executes the longest job first.
    Non-preemptive scheduling gives all processes equal priority.
    Preemptive scheduling allows for a running process to be interrupted and moved out of the CPU, while non-preemptive scheduling does not allow for process interruption.
  • Q7
    What is the main goal of process scheduling?
    To optimize CPU utilization and maximize system efficiency.
    To load processes into memory.
    To terminate processes.
    To compile programs.
  • Q8
    Which of the following is a disadvantage of the round robin scheduling algorithm?
    Higher waiting time for long tasks
    Lower CPU utilization
    Easier implementation
    Fair allocation of CPU time
  • Q9
    Which scheduling criterion prioritizes tasks based on their arrival time?
    Round robin
    Shortest job next
    First come, first served
    Highest response ratio next
  • Q10
    Which scheduling criterion aims to maximize the throughput or overall system efficiency?
    Shortest job next
    Priority scheduling
    Round robin
    First come, first served
  • Q11
    Which scheduling criterion ensures that each process gets an equal opportunity to execute?
    Shortest job next
    First come, first served
    Round robin
    Priority scheduling
  • Q12
    What is the purpose of a critical section in software development?
    To handle exception cases in the program
    To ensure only one thread can access shared resources at a time
    To synchronize execution of different threads
    To speed up program execution
    To allow multiple threads to access shared resources simultaneously
  • Q13
    What is synchronization in the context of operating systems?
    A method of encrypting data to protect it from unauthorized access.
    The process of compiling and linking a program before its execution.
    The process of converting high-level programming languages into machine code.
    The coordination of multiple processes or threads to ensure orderly and controlled execution.
  • Q14
    What is a deadlock in the context of operating systems?
    A situation where a system crashes due to a hardware failure.
    A condition where a process stops executing indefinitely.
    A situation where two or more processes are unable to proceed because each is waiting for the other to release a resource.
    A scenario where multiple processes compete to access the same resource.
  • Q15
    What is a semaphore?
    A programming language feature that allows dynamic typing
    A type of computer monitor
    A data structure used for searching
    A synchronization object that controls access by multiple processes/threads to a common resource

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