Instrumentation and control engineering is a fancy way of saying that some people make sure that machines work properly and are safe. They do this by using special tools and gadgets to measure things like temperature, pressure or speed.
Imagine you have a toy car that you can control with a remote. There are many small parts that make the car move, like the engine, the wheels and the gears. If you want to make sure the car runs smoothly and doesn't break down, you can use special tools to test them. For example, you can use a thermometer to measure how hot the engine gets when the car is running or a pressure gauge to see how much force the wheels can handle.
Instrumentation and control engineering is like playing with toys, but much bigger toys! Engineers use their knowledge of science and math to design and build tools that can measure things accurately and tell them when something goes wrong. They also create computer programs that can control these machines and make them work exactly how they want them to.
So, if something is not working right, engineers can use their gadgets and computer programs to figure out what is wrong, and then fix it. That way, machines can keep working safely and efficiently.