Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > Which of the following statements is false?a)...
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Which of the following statements is false?
- a)Whenever the CPU becomes idle, the operating system must select one of the processes in the ready queue to be executed. The selection process is carried out by the short-term scheduler.
- b)Turnaround time is the sum of the periods spent waiting to get into memory, waiting in the ready queue, executing on the CPU, and doing I/0.
- c)It is desirable to minimize CPU utilization and throughput and to maximize turnaround time, waiting time, and response time.
- d)Waiting time is the sum of the periods spent waiting in the ready queue.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following statements is false?a)Whenever the CPU becomes ...
Out of all the options, option 3 is false.
It can be corrected as: It is desirable to maximize CPU utilization and throughput and to minimize turnaround time, waiting time, and response time.
Most Upvoted Answer
Which of the following statements is false?a)Whenever the CPU becomes ...
Understanding the False Statement
The false statement among the options is (C). Let’s break down why this is incorrect.
Misconception in Statement (C)
- The statement claims that it is desirable to minimize CPU utilization and throughput while maximizing turnaround time, waiting time, and response time.
- In reality, the goals of operating system design and scheduling algorithms are the opposite:
- Maximizing CPU Utilization: This ensures that the CPU is used effectively to reduce idle time.
- Maximizing Throughput: This refers to the number of processes completed in a given time, which is a key performance indicator.
Desirable Objectives
- The ideal scenario in process scheduling includes:
- Minimizing Turnaround Time: The total time taken from process submission to completion should be as low as possible.
- Minimizing Waiting Time: The time a process spends waiting in the ready queue should be reduced to enhance efficiency.
- Minimizing Response Time: Especially important in interactive systems, this refers to the time taken from a request until the first response is received.
Conclusion
In summary, option (C) is false because it contradicts the fundamental objectives of process scheduling in operating systems. The goal is to maximize CPU utilization and throughput while minimizing turnaround time, waiting time, and response time.
The false statement among the options is (C). Let’s break down why this is incorrect.
Misconception in Statement (C)
- The statement claims that it is desirable to minimize CPU utilization and throughput while maximizing turnaround time, waiting time, and response time.
- In reality, the goals of operating system design and scheduling algorithms are the opposite:
- Maximizing CPU Utilization: This ensures that the CPU is used effectively to reduce idle time.
- Maximizing Throughput: This refers to the number of processes completed in a given time, which is a key performance indicator.
Desirable Objectives
- The ideal scenario in process scheduling includes:
- Minimizing Turnaround Time: The total time taken from process submission to completion should be as low as possible.
- Minimizing Waiting Time: The time a process spends waiting in the ready queue should be reduced to enhance efficiency.
- Minimizing Response Time: Especially important in interactive systems, this refers to the time taken from a request until the first response is received.
Conclusion
In summary, option (C) is false because it contradicts the fundamental objectives of process scheduling in operating systems. The goal is to maximize CPU utilization and throughput while minimizing turnaround time, waiting time, and response time.
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Which of the following statements is false?a)Whenever the CPU becomes idle, the operating system must select one of the processes in the ready queue to be executed. The selection process is carried out by the short-term scheduler.b)Turnaround time is the sum of the periods spent waiting to get into memory, waiting in the ready queue, executing on the CPU, and doing I/0.c)It is desirable to minimize CPU utilization and throughput and to maximize turnaround time, waiting time, and response time.d)Waiting time is the sum of the periods spent waiting in the ready queue.Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is false?a)Whenever the CPU becomes idle, the operating system must select one of the processes in the ready queue to be executed. The selection process is carried out by the short-term scheduler.b)Turnaround time is the sum of the periods spent waiting to get into memory, waiting in the ready queue, executing on the CPU, and doing I/0.c)It is desirable to minimize CPU utilization and throughput and to maximize turnaround time, waiting time, and response time.d)Waiting time is the sum of the periods spent waiting in the ready queue.Correct answer is option 'C'. 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 Which of the following statements is false?a)Whenever the CPU becomes idle, the operating system must select one of the processes in the ready queue to be executed. The selection process is carried out by the short-term scheduler.b)Turnaround time is the sum of the periods spent waiting to get into memory, waiting in the ready queue, executing on the CPU, and doing I/0.c)It is desirable to minimize CPU utilization and throughput and to maximize turnaround time, waiting time, and response time.d)Waiting time is the sum of the periods spent waiting in the ready queue.Correct answer is option 'C'. 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 Which of the following statements is false?a)Whenever the CPU becomes idle, the operating system must select one of the processes in the ready queue to be executed. The selection process is carried out by the short-term scheduler.b)Turnaround time is the sum of the periods spent waiting to get into memory, waiting in the ready queue, executing on the CPU, and doing I/0.c)It is desirable to minimize CPU utilization and throughput and to maximize turnaround time, waiting time, and response time.d)Waiting time is the sum of the periods spent waiting in the ready queue.Correct answer is option 'C'. Can you explain this answer?.
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