Operating Systems – Multiple Choice Questions (MCQs)

1. 61. What is a real-time operating system (RTOS)?

   • A. An OS designed for general-purpose computing
   • B. An OS designed for time-critical applications
   • C. An OS for mobile devices
   • D. An OS for servers

2. 62. What is a hard real-time system?

   • A. A system where missing a deadline can lead to catastrophic failure
   • B. A system where deadlines are desirable but not critical
   • C. A system with no deadlines
   • D. A system with soft deadlines

3. 63. What is a soft real-time system?

   • A. A system where missing a deadline can lead to catastrophic failure
   • B. A system where meeting deadlines is desirable but occasional misses are acceptable
   • C. A system with no deadlines
   • D. A system with hard deadlines

4. 64. What is preemptive scheduling?

   • A. A scheduling algorithm where a running process can be interrupted by another process
   • B. A scheduling algorithm where a process runs until it completes or blocks
   • C. A scheduling algorithm based on arrival time
   • D. A non-deterministic scheduling algorithm

5. 65. What is non-preemptive scheduling?

   • A. A scheduling algorithm where a running process can be interrupted
   • B. A scheduling algorithm where a process runs until it completes or voluntarily blocks
   • C. A scheduling algorithm based on priority
   • D. A deterministic scheduling algorithm

6. 66. What is a distributed operating system?

   • A. An OS that manages a group of independent
   • B. networked computers
   • C. An OS for a single
   • D. powerful computer

7. 67. What is a network operating system?

   • A. An OS that primarily focuses on providing network services to multiple clients
   • B. An OS for standalone computers
   • C. An OS for real-time applications
   • D. An OS with a microkernel architecture