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Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?
- a)I, III and IV
- b)I and II
- c)III and IV
- d)I and III
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following justifications for commonly using the two-level...
The two-level CPU scheduling is used when memory is too small to hold all the ready processes because it facilitates putting some set of processes into memory and a choice is made from that. So, option (D) is correct.
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Consider the following justifications for commonly using the two-level...
Explanation:
Justifications for using two-level CPU scheduling:
1. When memory is too small to hold all the ready processes (I): Two-level CPU scheduling is commonly used in situations where the memory is limited and cannot accommodate all the processes that are ready to be executed. By dividing the processes into two levels, the scheduler can prioritize which processes should be kept in memory based on their importance or urgency.
2. Facilitating putting some set of processes into memory (III): Two-level CPU scheduling allows for a subset of processes to be loaded into memory, making it easier for the scheduler to make decisions on which processes should be given CPU time. This helps in optimizing the overall performance of the system by ensuring that the most critical processes are executed promptly.
3. Not allowing to adjust the set of in-core processes (IV): Two-level CPU scheduling does not allow for the adjustment of the set of in-core processes once they have been loaded into memory. This can be beneficial in certain scenarios where stability and predictability are essential, as it prevents unnecessary swapping of processes in and out of memory.
Conclusion:
The justifications provided above highlight the importance of using two-level CPU scheduling in scenarios where memory constraints are present and where a structured approach to managing processes in memory is required. Additionally, it emphasizes the significance of making informed decisions about which processes should be given priority in order to optimize system performance.
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Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer?
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Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer?.
Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following justifications for commonly using the two-level CPU scheduling: I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it facilitates putting some set of processes into memory and a choice is made from that. IV. Because it does not allow to adjust the set of in-core processes. Which of the following is true ?a)I, III and IVb)I and IIc)III and IVd)I and IIICorrect answer is option 'D'. Can you explain this answer?.
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