1. What is multiprogramming?
A) Running multiple programs simultaneously on a single processor
B) Running programs in separate memory spaces
C) Executing programs in a time-sharing manner
D) None of the above
A) Running multiple programs simultaneously on a single processor
B) Running programs in separate memory spaces
C) Executing programs in a time-sharing manner
D) None of the above
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Answer: A
2. Which of the following best describes time-sharing?
A) Allocating the entire CPU to one process
B) Sharing CPU time among multiple users or processes
C) Running processes in a batch mode
D) None of the above
A) Allocating the entire CPU to one process
B) Sharing CPU time among multiple users or processes
C) Running processes in a batch mode
D) None of the above
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Answer: B
3. What is a key benefit of multiprogramming?
A) Increased CPU utilization
B) Simplified program execution
C) Reduced memory requirements
D) None of the above
A) Increased CPU utilization
B) Simplified program execution
C) Reduced memory requirements
D) None of the above
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Answer: A
4. Time-sharing systems aim to:
A) Minimize user response time
B) Maximize throughput
C) Reduce overall system load
D) None of the above
A) Minimize user response time
B) Maximize throughput
C) Reduce overall system load
D) None of the above
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Answer: A
5. Which of the following is NOT a characteristic of multiprogramming?
A) Multiple processes in memory
B) Efficient CPU utilization
C) Interactive user interface
D) Process scheduling
A) Multiple processes in memory
B) Efficient CPU utilization
C) Interactive user interface
D) Process scheduling
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Answer:C
6. Which scheduling algorithm is commonly used in time-sharing systems?
A) First-Come, First-Served (FCFS)
B) Shortest Job First (SJF)
C) Round Robin (RR)
D) Priority Scheduling
A) First-Come, First-Served (FCFS)
B) Shortest Job First (SJF)
C) Round Robin (RR)
D) Priority Scheduling
Show Answer
Answer: C
7. What is the main challenge in multiprogramming?
A) High resource utilization
B) Memory management
C) User interaction
D) None of the above
A) High resource utilization
B) Memory management
C) User interaction
D) None of the above
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Answer: B
8. In a time-sharing system, the CPU is:
A) Dedicated to a single user
B) Shared among multiple users
C) Idle most of the time
D) None of the above
A) Dedicated to a single user
B) Shared among multiple users
C) Idle most of the time
D) None of the above
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Answer: B
9. Which of the following is a disadvantage of time-sharing systems?
A) Improved responsiveness
B) Increased complexity in resource management
C) Better resource utilization
D) None of the above
A) Improved responsiveness
B) Increased complexity in resource management
C) Better resource utilization
D) None of the above
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Answer: B
10. What does "context switching" refer to in multiprogramming?
A) Switching between user interfaces
B) The process of storing and restoring the state of a process
C) Changing the memory allocation
D) None of the above
A) Switching between user interfaces
B) The process of storing and restoring the state of a process
C) Changing the memory allocation
D) None of the above
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Answer: B
11. Multiprogramming helps in:
A) Reducing idle time of the CPU
B) Providing user interfaces
C) Managing hardware devices
D) None of the above
A) Reducing idle time of the CPU
B) Providing user interfaces
C) Managing hardware devices
D) None of the above
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Answer: A
12. Time-sharing systems are designed to:
A) Maximize batch processing
B) Minimize response time for users
C) Run jobs sequentially
D) None of the above
A) Maximize batch processing
B) Minimize response time for users
C) Run jobs sequentially
D) None of the above
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Answer: B
13. Which of the following is an example of a time-sharing operating system?
A) Windows 95
B) UNIX
C) MS-DOS
D) None of the above
A) Windows 95
B) UNIX
C) MS-DOS
D) None of the above
Show Answer
Answer: B
14. What is the role of the process scheduler in multiprogramming?
A) To allocate memory to processes
B) To manage I/O operations
C) To decide which process to execute next
D) None of the above
A) To allocate memory to processes
B) To manage I/O operations
C) To decide which process to execute next
D) None of the above
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Answer: C
15. In a time-sharing system, how is user interaction handled?
A) Through batch jobs
B) With real-time feedback
C) By sending print jobs
D) None of the above
A) Through batch jobs
B) With real-time feedback
C) By sending print jobs
D) None of the above
Show Answer
Answer: B
16. What is the main goal of multiprogramming?
A) Reducing the time taken for individual processes
B) Increasing the overall system throughput
C) Providing user interaction
D) None of the above
A) Reducing the time taken for individual processes
B) Increasing the overall system throughput
C) Providing user interaction
D) None of the above
Show Answer
Answer: B
17. Which type of scheduling is most suitable for time-sharing systems?
A) Long-term scheduling
B) Short-term scheduling
C) Medium-term scheduling
D) None of the above
A) Long-term scheduling
B) Short-term scheduling
C) Medium-term scheduling
D) None of the above
Show Answer
Answer: B
18. Which is a feature of multiprogramming?
A) User engagement
B) Sharing of CPU time
C) Concurrent execution of multiple processes
D) None of the above
A) User engagement
B) Sharing of CPU time
C) Concurrent execution of multiple processes
D) None of the above
Show Answer
Answer: C
19. The term "time slice" refers to:
A) The duration for which a process runs before yielding
B) The total CPU time used by a process
C) The amount of memory allocated to a process
D) None of the above
A) The duration for which a process runs before yielding
B) The total CPU time used by a process
C) The amount of memory allocated to a process
D) None of the above
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Answer: A
20. What is one disadvantage of multiprogramming?
A) Increased CPU utilization
B) Complicated memory management
C) Reduced response time
D) None of the above
A) Increased CPU utilization
B) Complicated memory management
C) Reduced response time
D) None of the above
Show Answer
Answer: B
21. In time-sharing systems, which aspect is prioritized?
A) Batch processing
B) CPU idle time
C) User interactivity
D) None of the above
A) Batch processing
B) CPU idle time
C) User interactivity
D) None of the above
Show Answer
Answer: C
22. Which of the following is NOT a component of a time-sharing system?
A) Job scheduling
B) Virtual memory
C) User terminals
D) None of the above
A) Job scheduling
B) Virtual memory
C) User terminals
D) None of the above
Show Answer
Answer: D
23. What is the primary concern in time-sharing systems?
A) Efficiency of resource allocation
B) Speed of batch processing
C) Minimizing turnaround time
D) None of the above
A) Efficiency of resource allocation
B) Speed of batch processing
C) Minimizing turnaround time
D) None of the above
Show Answer
Answer: A
24. In a multiprogramming environment, how are resources allocated?
A) Randomly to all processes
B) According to priority and requirements
C) Sequentially based on arrival time
D) None of the above
A) Randomly to all processes
B) According to priority and requirements
C) Sequentially based on arrival time
D) None of the above
Show Answer
Answer: B
25. How does a time-sharing system manage multiple users?
A) By allocating all CPU time to one user
B) By partitioning memory
C) By rapidly switching between user processes
D) None of the above
A) By allocating all CPU time to one user
B) By partitioning memory
C) By rapidly switching between user processes
D) None of the above
Show Answer
Answer: C
26. What technique allows for better memory utilization in multiprogramming?
A) Paging
B) Spooling
C) Buffering
D) None of the above
A) Paging
B) Spooling
C) Buffering
D) None of the above
Show Answer
Answer: A
27. What does a user see in a time-sharing system?
A) Only output from jobs
B) Real-time updates and feedback
C) Batch job results
D) None of the above
A) Only output from jobs
B) Real-time updates and feedback
C) Batch job results
D) None of the above
Show Answer
Answer: B
28. Which of the following best describes how multiprogramming improves CPU utilization?
A) By increasing I/O wait time
B) By allowing processes to share CPU time
C) By running processes one after the other
D) None of the above
A) By increasing I/O wait time
B) By allowing processes to share CPU time
C) By running processes one after the other
D) None of the above
Show Answer
Answer: B
29. What is the result of poor scheduling in a time-sharing system?
A) Improved user experience
B) Increased response time
C) Efficient resource allocation
D) None of the above
A) Improved user experience
B) Increased response time
C) Efficient resource allocation
D) None of the above
Show Answer
Answer: B
30. The primary function of a time-sharing operating system is to:
A) Execute jobs in the order they arrive
B) Provide immediate response to user requests
C) Minimize CPU utilization
D) None of the above
A) Execute jobs in the order they arrive
B) Provide immediate response to user requests
C) Minimize CPU utilization
D) None of the above
Show Answer
Answer: B
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