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List of the contents of this article:

• 1,OKX Wallet to exchange What are the benefits of interrupting a computer? Explain the function and purpose of interruption.
• 2, What is an interrupt system?
• 3, What is an interruption? What are the characteristics of interruption? The basic functions of the complete interrupt system?
• 4, what are the main functions of the interrupt system of What are the main functions of the interrupt system of 8086
• 5, Interrupt the function of the system
• 6, What is the basic function of interruption?

What are the benefits of interrupting a computer? Explain the function and purpose of interruption.

1. It can improve CPU work efficiency, and the CPU does not have to spend a lot of time waiting and querying peripheral work.2) It has real-time processing function, which can respond quickly and process various parameters and states in the real-time control system in a timely manner.

2. It is a control technology that computers can better and faster use limited system resources to solve the response speed and operation efficiency of the system.

3. Interruption means that during the operation of the computer, when some unexpected situations require the intervention of the host, the machine can automatically stop the running program and transfer to the program to handle the new situation. After processing, it returns to the original suspended program to continue running.

4. If several peripherals send an interrupt request signal at a certain moment, the CPU can process the data transmission of several peripherals according to the predetermined priority, so as to realize the parallel work of peripherals.

5. Interruption refers to the process of suspending the execution of the current program due to the occurrence of an event (hardware or software), and then executing another program to process the occurrence, and then returning to the original program to continue the operation after processing. Interruption is a description of a working state of the processor.

What is an interrupt system?

1. Question 1: What is an interrupt system? An interrupt system is an important part of a computer. Real-time control, therefore automatic processing, and data transmission between computers and peripherals often adopt interrupt systems. The application of the interrupt system has greatly improved the efficiency of the computer.

2. The interrupt system is an important part of the computer. Terminal systems are often used to implement control, automatic fault handling, and data transmission between computers and peripherals.The application of the interrupt system has greatly improved the efficiency of the computer.

3. In addition, the interrupt system can also be used for program debugging, multi-machine connection, etc. Therefore, the interrupt system is an important component of the computer. It can be said that only after the interruption system can the computer perform a variety of functions than the early computers with the original non-interrupt system.

What is an interruption? What are the characteristics of interruption? The basic functions of the complete interrupt system?

1. The basic functions of complete interruption: response to interruption, processing interruption and return; realization of priority queuing; advanced interrupt source can interrupt low-level interruption processing.

2. CPU temporarily suspends its executionThe program is transferred to the service program that executes the peripheral or event that requests interruption, and returns to execute the original interrupted program after processing, which is called interruption. Advantages and functions of setting interruption: 1) It can improve CPU efficiency, and the CPU does not have to spend a lot of time waiting and querying peripheral work.

3. Interruption is the execution of the interrupt service program, which is the core of the interrupt system. The interrupt processing process of different computer systems has its own characteristics, but for most computers, the process of interrupting the service program is as follows.

4. The interrupt processing program related to CPU execution is called interrupt processing. And the process of returning the breakpoint is called interrupt return. The implementation of the interruption implements the comprehensive completion of software and hardware. The hardware part is called the hardware device, and the software part is called the software processing program.

5. Interruption means that during the operation of the computer, when some unexpected situations require the intervention of the host, the machine can automatically stop the running program and transfer to the program to handle the new situation. After processing, it will return to the original suspended program to continue running.

6. Interruption: means that when there is a need, the CPU temporarily stops the execution of the current program and instead executes the program and execution process to deal with new situations. That is, during the operation of the program, there is a situation in the system that must be handled by the CPU immediately. At this time, the process of the CPU temporarily suspending the execution of the program and dealing with this new situation is called interruption.

What are the main functions of the interrupt system of 8086

4Interrupt processing and return: It can automatically jump between the interrupt service subroutine and the main program, and protect the breakpoint.

In a microcomputer system, interruption refers to a mechanism initiated by hardware or software during program execution, which can interrupt the execution of the program and turn to execute another code. Interruptions are mainly divided into hardware interruptions and software interruptions.

The implementation of interruption is of great significance to the computer system, which makes the interaction between the CPU and the outside world in the true sense possible. Type of interruption 1) Internal interruption Internal interruption is an interruption caused by an error in the CPU execution instruction or an interruption caused by the CPU's execution of INT n instructions.

interrupt The function of the system

then the CPU can interrupt the ongoing interrupt service program and keep the breakpoint of this program (similar to subprogram nesting) to respond to advanced interruptions. After the advanced interrupt processing is completed, the interrupted service program is continued. This process is called interrupt nesting.

It has a real-time processing function, which can quickly respond and process various parameters and states in the real-time control system. 3) It has a fault handling function, and when the power is lostIn the interrupt service program, the data and information that need to be saved will be transferred to the memory with a backup power supply in time to protect it, and then restore it when the power supply is normal.

Bus cycle; except for single-step interruption, no internal interruption can be prohibited; except for single-step interruption, the priority of any internal interruption is higher than that of external interruption. The basic functions of complete interrupts: response interrupts, processing interrupts and returns; realizing priority queuing; advanced interrupt sources can interrupt low-level interrupt processing.

Then, add the return instruction RETI. The function of the RETI command is to restore the PC value and make the CPU return the breakpoint, which is called the recovery breakpoint. After restoring the site and breakpoint, the CPU will continue to execute the original main program and interrupt the response process.

The priority of any internal interruption is higher than that of external interruption.The basic functions of complete interrupts: (1) response interrupts, processing interrupts and returns; (2) Realize priority queuing; (3) Advanced interrupt sources can interrupt low-level interrupt processing.

What is the basic function of interruption?

The basic functions of complete interrupts: (1) response interrupts, processing interrupts and returns; (2) Realize priority queuing; (3) Advanced interrupt sources can interrupt low-level interrupt processing.

It has a real-time processing function, which can quickly respond and process various parameters and states in the real-time control system. 3) It has a fault handling function. In the power failure interrupt service program, the data and information that need to be saved will be transferred to the memory with an alternate power supply in time to protect it, and then restore it when the power supply is normal.

Hardware interrupt processing function. Hardware interrupt is an asynchronous signal indicating that it needs to be noted or changed when executing a synchronous event. Its basic function is the hardware interrupt processing function. The basic function is the function directly related to the main purpose of the object, and is the basic factor that determines the nature and existence of the object.