Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > The process where in the processor constantly...
Start Learning for Free
The process where in the processor constantly checks the status flags is called as
- a)Polling
- b)Inspection
- c)Reviewing
- d)Echoing
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The process where in the processor constantly checks the status flags ...
Polling in Processor
Definition: Polling is the process where the processor constantly checks the status flags.
Explanation: When a processor needs to access a device or resource, it needs to communicate with it. One way to do this is through polling. In polling, the processor constantly checks the status flags to determine if the device is ready to receive or send data. This process is often used in simple systems where there are few devices or where the devices are slow.
Advantages of Polling:
Disadvantages of Polling:
Conclusion: Polling is a simple and effective way for a processor to communicate with devices in a system. It is often used in simple systems or where the devices are slow. However, it can be inefficient in systems with many devices or where the devices are fast. Other communication methods, such as interrupts or DMA, may be more suitable in these cases.
Definition: Polling is the process where the processor constantly checks the status flags.
Explanation: When a processor needs to access a device or resource, it needs to communicate with it. One way to do this is through polling. In polling, the processor constantly checks the status flags to determine if the device is ready to receive or send data. This process is often used in simple systems where there are few devices or where the devices are slow.
Advantages of Polling:
- It is simple to implement and requires minimal hardware.
- It can be used in systems with few devices or where the devices are slow.
- It can be used to implement simple communication protocols.
Disadvantages of Polling:
- It is not efficient in systems with many devices or where the devices are fast.
- It can waste processor time if the device is not ready to communicate.
- It can lead to high latency if the processor does not check the status flags frequently enough.
Conclusion: Polling is a simple and effective way for a processor to communicate with devices in a system. It is often used in simple systems or where the devices are slow. However, it can be inefficient in systems with many devices or where the devices are fast. Other communication methods, such as interrupts or DMA, may be more suitable in these cases.
Free Test
FREE
| Start Free Test |
Community Answer
The process where in the processor constantly checks the status flags ...
Polling in Processor
Polling is a process where the processor constantly checks the status flags of the peripheral devices to determine their status. It is a common method used by the processor to communicate with the input/output devices. The process of polling involves the following steps:
1. Initialization: The processor initializes the communication with the device by sending an initialization signal. This signal is used to synchronize the communication between the processor and the device.
2. Polling: Once the communication is initialized, the processor begins to poll the device by reading its status flags. The status flags indicate the status of the device, such as whether it is ready to receive data or if it has completed a task.
3. Wait State: If the device is not ready or has not completed a task, the processor enters a wait state. During this time, the processor does not execute any instructions and waits for the device to become ready or complete its task.
4. Data Transfer: Once the device is ready or has completed its task, the processor transfers data to or from the device. The data is transferred using the input/output instructions of the processor.
5. Termination: After the data transfer is complete, the processor terminates the communication with the device by sending a termination signal.
Advantages of Polling:
1. Simple and easy to implement.
2. Suitable for low-speed peripherals.
3. Consumes less system resources.
Disadvantages of Polling:
1. Wastes CPU time when the device is not ready.
2. The processor can miss an event if it is not polling at the right time.
3. Not suitable for high-speed devices.
In conclusion, polling is a useful method for communicating with input/output devices. It is simple to implement and consumes fewer system resources. However, it is not suitable for high-speed devices and wastes CPU time when the device is not ready.
Polling is a process where the processor constantly checks the status flags of the peripheral devices to determine their status. It is a common method used by the processor to communicate with the input/output devices. The process of polling involves the following steps:
1. Initialization: The processor initializes the communication with the device by sending an initialization signal. This signal is used to synchronize the communication between the processor and the device.
2. Polling: Once the communication is initialized, the processor begins to poll the device by reading its status flags. The status flags indicate the status of the device, such as whether it is ready to receive data or if it has completed a task.
3. Wait State: If the device is not ready or has not completed a task, the processor enters a wait state. During this time, the processor does not execute any instructions and waits for the device to become ready or complete its task.
4. Data Transfer: Once the device is ready or has completed its task, the processor transfers data to or from the device. The data is transferred using the input/output instructions of the processor.
5. Termination: After the data transfer is complete, the processor terminates the communication with the device by sending a termination signal.
Advantages of Polling:
1. Simple and easy to implement.
2. Suitable for low-speed peripherals.
3. Consumes less system resources.
Disadvantages of Polling:
1. Wastes CPU time when the device is not ready.
2. The processor can miss an event if it is not polling at the right time.
3. Not suitable for high-speed devices.
In conclusion, polling is a useful method for communicating with input/output devices. It is simple to implement and consumes fewer system resources. However, it is not suitable for high-speed devices and wastes CPU time when the device is not ready.
|
Explore Courses for Computer Science Engineering (CSE) exam
|
|
Top Courses for Computer Science Engineering (CSE)View all
Question Description
The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. 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 The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. 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 The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer?.
The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. 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 The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. 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 The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer?.
Solutions for The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE).
Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free.
Here you can find the meaning of The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice The process where in the processor constantly checks the status flags is called asa)Pollingb)Inspectionc)Reviewingd)EchoingCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.
|
|
Explore Courses for Computer Science Engineering (CSE) exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup