Virtual Instruments (Virtual Instruments, VI for short)
The front panel is equivalent to the interface, and the rear panel is the block diagram
Input control: terminal block on the right; display control: terminal block on the left
Boolean input controls (only 1 and 0 states): button (press it, it will restore the initial state, such as computer power switch) and switch (light switch)
Mechanical actions of Boolean controls: conversion type, trigger type
CTRL+E: Switch between front and rear panels
CTRL+T: Display in the left and right columns of the front and rear panels