What is the function of program control instructions?

The function of program control instructions is to change the order of program execution. Program control is generally used in the computer field and is a method of controlling I/O devices by the CPU. Program control method refers to the data transmission method under program control.

#The function of program control instructions is to change the order of program execution.

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Definition of program control:

1. Automatic control achieved through a pre-programmed fixed program . It is widely used to control various production and process processes.

2. Program control is generally used in the computer field and is a method of controlling I/O devices by the CPU.

Program control is also called PLC control. It prepares program segments for motor steering, operating frequency and time by setting parameters for the frequency converter, and then uses the corresponding input terminals to control the operation of a certain program segment, allowing the frequency converter to The device outputs power at the corresponding frequency according to the program, and the drive motor runs according to the setting mode.

Program control method refers to the data transmission method under program control.

In completing the input and output of peripheral data, the entire input and output process is completed under the control of the CPU execution program.

Computer related knowledge:windows

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