Operating System MCQs with answers

Computer Operating System MCQs: Test Your Knowledge

Are you preparing for your initial academic tests in the Army, Navy, or Pakistan Air Force? Look no further than these Operating System MCQs. Designed to cover essential areas of physics, these multiple-choice questions are invaluable for aspiring cadets in various branches such as Navy Operation, Supply, Ordnance, Weapon Engineering, and Education, as well as Air Force specialties like Aeronautical Engineering, Logistics, and Air Defence.

These MCQs are tailored to suit the rigorous requirements of exams in Technical Cadet Courses, Army Education and EME Officers’ assessments, ensuring that candidates are thoroughly prepared for the challenges ahead.

Operating System MCQs (Part-1)

  • Virtual memory is                       (A memory management technique)
  • Virtual memory allows                        (Programs to access more memory than physically available)
  • The purpose of virtual memory is to                        (Provide a uniform memory interface)
  • The unit of data in virtual memory is called a                        .  (Page)
  • The size of a page in virtual memory is typically                        (Variable and determined by the operating system)
  • The mapping between virtual addresses and physical addresses is done by the                        (Operating system)
  • The process of translating a virtual address to a physical address is known as                        .  (Address Translation)
  • When a program accesses a virtual address that is not present in physical memory, it results in a                        (Page fault)
  • The technique used to bring a page from secondary storage into physical memory is called                        .  (Swapping)
  • The process of freeing up memory by moving pages from physical memory to secondary storage is called                         (Swapping)
  • The memory management unit (MMU) is responsible for                        . (Mapping virtual addresses to physical addresses)
  • The TLB (Translation Lookaside Buffer) is a hardware cache used to                        . (Speed up the mapping of virtual addresses to physical addresses)
  • A benefit of virtual memory is                        .  (Protection and isolation between processes)
  • The concept of demand paging in virtual memory refers to                        . (Loading pages into physical memory only when they are needed)

MCQs on Operating Systems: Assess Your Computer Skills

In the competitive landscape of military and defense forces, comprehensive preparation is key. That’s why these Operating System MCQs are meticulously crafted to encompass vital physics concepts, catering to the academic tests of PN Cadets, Navy Education Branch, and GD Pilots.

Whether you’re aiming for a career in the Army, Navy, or Air Force, mastering these questions will give you a competitive edge. With their relevance to diverse branches like Navy Supply and Navy Ordnance, these MCQs are indispensable study materials for anyone aspiring to serve their country in uniform.

Operating System MCQs (Part-2)

  • The size of the virtual address space is determined by the                        .  (CPU architecture)
  • An operating system is                       .  (A software that manages computer hardware and software resources)
  • A batch operating system is designed to                       . (Execute tasks in a sequential manner without user interaction)
  • In a batch operating system, tasks are organized into                       . (Batches)
  • The main objective of a batch operating system is to                       (Maximize CPU utilization)
  • In a batch operating system, tasks are typically executed                       . (Sequentially one after another)
  • The mechanism used in a batch operating system to switch between tasks is called                       .  (Context switching)
  • In a batch operating system, the tasks are usually submitted to the system through                       .  (Batch job control language)
  •                        is a disadvantage of a batch operating system.  (Lack of user interaction during task execution)
  • A common example of a batch operating system is                       . ( IBM z/OS)
  • In a batch operating system, if a task encounters an error, it is usually                       . (Skipped and the next task is executed)
  • The primary advantage of a batch operating system is                       . (Efficient utilization of system resources)
  • In a batch operating system, the tasks are typically executed in a                       . (Background mode)
  •                        is not a characteristic of a batch operating system. (User interactivity during task execution)
  • A batch operating system is well-suited for handling                       . (Large-scale data analysis)

Operating System Multiple Choice Questions (MCQs): Practice Now!

When it comes to excelling in the academic tests of defense forces, thorough preparation is non-negotiable. That’s where these Operating System MCQs come into play, covering crucial physics topics essential for success in the Army, Navy, and Pakistan Air Force. From PAF Admin & Special Duty Branch to Army EME Officers, these questions cater to a wide array of specialties, ensuring that candidates are well-equipped to tackle their respective exams.

Don’t leave your future to chance – arm yourself with the knowledge and practice offered by these meticulously curated MCQs.

Operating System MCQs (Part-3)

  • The primary focus of a batch operating system is to                       . (Efficiently execute tasks without requiring user intervention)
  • Round-robin scheduling is                       .  (A preemptive scheduling algorithm)
  • In round-robin scheduling, each process is assigned a fixed time interval known as a                       .  (Time slice)
  • The key idea behind round-robin scheduling is to                       (Provide fairness in CPU allocation to processes)
  • If a process completes within its time slice in round-robin scheduling, it                       .  (Is suspended and placed in the waiting queue)
  • Round-robin scheduling is typically used in                        (Multi-core systems)
  • The time slice in round-robin scheduling should be chosen carefully to balance                       (Throughput and fairness)
  • If a process exceeds its time slice in round-robin scheduling, it                       . ( Is suspended and placed in the waiting queue)
  • The main advantage of round-robin scheduling is                       . (Efficient utilization of CPU time)
  • The worst-case waiting time for a process in round-robin scheduling is                       . (Equal to the time slice)
  • Round-robin scheduling is a suitable choice for systems with                       .(Short processes)
  • The time complexity of round-robin scheduling is                       . (Linear time)
  • Round-robin scheduling can suffer from poor performance if                       . (The time slice is too long)
  • Round-robin scheduling is an example of                       . ( Time-sharing scheduling)
  • Round-robin scheduling is fair in terms of                       . (CPU allocation to processes)

Computer Software MCQs: Explore Operating System Concepts

In the pursuit of a career in the military or defense forces, every advantage counts. That’s why these Operating System MCQs are indispensable for candidates preparing for academic tests in the Army, Navy, and PAF. With their emphasis on fundamental physics principles, these questions are tailored to the specific requirements of various branches, including Navy Weapon Engineering and PAF Logistics.

By incorporating these MCQs into your study regimen, you’ll be better prepared to ace your exams and embark on a fulfilling career serving your country.

Operating System MCQs (Part-4)

  • The time slice in round-robin scheduling affects                       .(Context switching overhead, Waiting time of processes, Throughput of the system)
  • The banker’s algorithm is used for                       . (Deadlock avoidance)
  • The banker’s algorithm is based on the concept of                       .  (Resource allocation graphs)
  • The banker’s algorithm is used to determine                       (Whether a system is in a safe state or not)
  • The banker’s algorithm employs the notion of                       .  (Deadlock detection)
  • In the banker’s algorithm, the maximum resource allocation is specified by                       .  (Maximum resource need of each process)
  • The banker’s algorithm considers two types of resources                       . (Renewable and non-renewable resources)
  • The banker’s algorithm performs a safety check to determine if                       . (A system is in a deadlock state)
  • The banker’s algorithm uses the concept of “safe state,” which means                       . (The system can allocate resources to processes in a certain order)
  • The banker’s algorithm prevents deadlocks by                       . (Ensuring that resource allocations do not result in an unsafe state)
  • The banker’s algorithm is commonly used in operating systems that support                       .  (Multiprogramming)
  • A thread is                       .  (A lightweight process)
  • Threads are sometimes referred to as                       (Light processes)
  • Threads within the same process share                       (Memory space and resources)
  • The advantage of using threads over processes is                       .  (Better performance)

Quiz on Operating System Fundamentals: MCQ Challenge

Preparation is the cornerstone of success in the rigorous academic tests of defense forces. That’s why these Operating System MCQs are invaluable resources for aspiring cadets and officers in the Army, Navy, and Pakistan Air Force. Covering essential physics concepts, these questions cater to a diverse range of specialties, from Navy Education Branch to PAF Air Defence.

With their focus on key areas relevant to military exams, these MCQs provide candidates with the edge they need to excel in their academic pursuits and embark on rewarding careers defending their nation.

Operating System MCQs (Part-5)

  • Threads can communicate with each other by                       . (Using shared memory)
  • Thread creation is generally                       (Less time-consuming than process creation)
  • In a multithreaded program, each thread                       (Has its own stack and program counter)
  • A multithreaded program can have                       .  (At least two threads)
  • Thread synchronization is required to                       .   (Prevent resource conflicts)
  • The term “thread-safe” refers to                       .  (A program that can be executed concurrently by multiple threads)
  • Deadlock is                        .  (A situation where two or more processes are unable to proceed)
  • Deadlock occurs when processes                        .  (Get stuck waiting for each other to release resources)
  • The necessary conditions for deadlock are                        .  (Mutual exclusion, hold and wait, no preemption, circular wait)
  • The resource allocation graph is used to                        .   (Detect and resolve deadlocks)
  • The circular wait condition in deadlock means that                        .  (Processes wait for resources in a circular chain)
  • Deadlock avoidance aims to                        .  (Prevent the occurrence of deadlocks)
  • The Banker’s algorithm is a deadlock avoidance technique based on                        . (Resource allocation graphs)
  • Deadlock detection involves                        .   (Analyzing resource allocation graphs)
  • The Ostrich algorithm refers to                        .  ( Ignoring the existence of deadlocks)
  • Deadlock recovery involves                        .   (Breaking the deadlock by preempting resources)

Test Your Understanding: Operating System MCQs for Computer Enthusiasts

Mastering Operating System MCQs is essential for anyone aiming to excel in the initial academic tests of the Army, Navy, and Pakistan Air Force. These multiple-choice questions delve into crucial physics concepts that are integral to success in various branches, including Navy Operation and PAF Aeronautical Engineering.

With their emphasis on fundamental principles, these MCQs serve as invaluable study aids for aspirants across all defense forces, ensuring thorough preparation for the challenges ahead. Whether you’re a prospective cadet or an officer candidate, incorporating these questions into your study routine will significantly enhance your readiness for the demanding exams that lie ahead.

Operating System MCQs (Part-6)

  • A semaphore is                       (A synchronization primitive)
  • Semaphores are used to                       (Prevent race conditions and synchronize access to shared resources)
  • The two fundamental operations on semaphores are                       . ( Wait and signal)
  • In the wait operation on a semaphore, if the semaphore value is zero                       .(The process is blocked until the semaphore becomes nonzero)
  • The signal operation on a semaphore                       . (Increments the semaphore value by one)
  • A binary semaphore can take the values                       . (0 and 1)
  • In a counting semaphore, the initial value represents                       . (The number of resources available)
  • The concept of a semaphore was introduced by                       . (Edsger Dijkstra)
  • A semaphore is a synchronization primitive that provides                       . ( Mutual exclusion)
  • Semaphores can be used to implement                       .  (Mutual exclusion and synchronization)
  • An interrupt is                       .  (A mechanism for asynchronous event handling)
  • Interrupts are used to                       .   (Handle hardware events and invoke appropriate routines)
  • Interrupts can be generated by                       .   (Both user and kernel processes)
  • The purpose of an interrupt handler is to                       .   (Handle the interrupt and perform necessary actions)
  • Interrupts can be classified as                       . (Hardware interrupts and software interrupts, Internal interrupts and external interrupts, Maskable interrupts and non-maskable interrupts)

Operating System Trivia: Multiple Choice Questions (MCQs) with Answers

In the competitive realm of military and defense careers, comprehensive knowledge is paramount. That’s why these Operating System MCQs are meticulously crafted to cover a wide range of physics topics, catering to the academic tests of PN Cadets, Navy Supply Branch, and PAF Admin & Special Duty Branch.

By addressing the specific needs of different branches and specialties within the armed forces, these MCQs offer candidates a comprehensive toolset to tackle their respective exams with confidence. From basic principles to advanced concepts, these questions provide a solid foundation for success in the highly competitive field of defense.

Operating System MCQs (Part-7)

  • A maskable interrupt is                       .   (An interrupt that can be ignored or delayed by the CPU)
  • The interrupt vector table is                       .  (A data structure used to store interrupt handlers’ addresses)
  • The process of saving the current state of a process and transferring control to the interrupt handler is called                       .  (Interrupt servicing)
  • The purpose of an interrupt request (IRQ) line is to                       .  ( Notify the CPU about an interrupt)
  • The interrupt latency refers to                       .  (The time between the o)
  • The goal of CPU scheduling is to                       .  (Maximize the utilization of CPU resources, Minimize the response time of processes, Ensure fair allocation of CPU time to processes)
  • The scheduling policy that selects the process with the shortest burst time first is known as                       .  (Shortest Job Next (SJN) scheduling)
  • Round Robin (RR) scheduling is an example of                       .  (Preemptive scheduling)
  • The time quantum in Round Robin scheduling determines                       . (The time each process gets to execute in one round-robin cycle)
  • The scheduling algorithm that assigns priorities to processes and selects the process with the highest priority for execution is called                       . (Priority scheduling)
  • In a multi-level feedback queue scheduling algorithm, processes are categorized into multiple queues based on                        (Their priority)
  • The scheduling algorithm that allows a process to voluntarily release the CPU before its time slice expires is called                       .  (Round Robin scheduling)
  • The scheduling algorithm that randomly selects a process to execute is called                       .  (Lottery scheduling)
  • The scheduling algorithm that selects the process with the highest response ratio (ratio of waiting time to burst time) is known as                       .  (Highest Response Ratio Next (HRRN) scheduling)
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