What is that if a notebook has SSD and HDD?
Could you please formulate your question a little more detailed so that you can also find out exactly what you would like to know?
What exactly do you mean by that? You have a main hard drive → So the SSD and a sub hard drive → the HDD
Eg 256 ssd and 1000gb hdd in a device better than just a ssd, because I need a lot of memory
This is a computer with 2 mass storage: an SSD for the operating system, an HDD as a data grave - and what did you think?
HDD is just that, a lot of storage for little money. SSD cost significantly more money but are incredibly fast. So if you want a lot of memory without getting poor you should grab a model with SSD and HDD
This pc runs then over SSD? And memory HDD?
Windows and the programs then run on the SSD to benefit from the speed and everything that you need not be able to access quickly, such as pictures, videos, music, … Do you pack on the HDD. But beware if you click on "Videos" in Windows, the video folder opens on the SSD. So you have to choose yourself that you want to save to the HDD. (You can also bend the paths so that they show by default on the HDD. Instructions for doing so are sufficient on the Internet
128 SSD + 1000GB HDD 128 are enough for surfing, and sometimes a little bit?
It is for surfing and squatting no matter how much memory your PC has. But 128GB is sufficient for Windows and programs. For games that could be scarce
