Operating Systems MCQs Set-8

1. What does Belady’s Anomaly related to?
  • Page Replacement Algorithm
  • Memory Management Algorithm
  • Deadlock Prevention Algorithm
  • Disk Scheduling Algorithm
2. What are the two types of Semaphore?
  • Digital Semaphores and Binary Semaphores
  • Analog Semaphores and Octal Semaphores
  • Counting Semaphores and Binary Semaphores
  • Critical Semaphores and System Semaphores
3. What are the requirements for the solution to critical section problem?
  • Mutual Exclusion
  • Progress
  • Bounded Waiting
  • All of Above
4. Which of the following memory unit that processor can access more rapidly
  • Main Memory
  • Virtual Memory
  • Cache memory
  • Read Only Memory
5. Which of the following is the system tool?
  • Backup
  • Disk defragmenter
  • Both of above
  • File
6. When a computer is first turned on or restarted, a special type of absolute loader called ____ is executed
  • Compile and Go loader
  • Boot loader
  •  Bootstrap loader
  • Relating loader
7. In which type of the following OS, the response time is very crucial.
  • Network Operating System
  • Real Time Operating System
  • Batch Operating System
  • Unix Operating System
8. Virtual Memory is
  • Extremely Large Main memory
  • Extremely Large Secondary memory
  • An illusion of extremely large main memory
  • An illusion of extremely large secondary memory
9. Swapping
  • Works best with many small partitions
  • Allows many programs to use memory simultaneously
  • Allows each program in turn to use the memory
  • Does not work with overlaying
10. A program in execution is called
  • A Paging
  • A Process
  • A virtual memory
  • A Demand Page