My computer-properties-hardware-driver signature, find the driver package downloaded by the "driver wizard" and decompress it with 7-zip tool. Click Start, click Run, enter sigverif, click Advanced after confirmation, and select to find other files without digital signature.

Memory:

All the information in the computer, including the input raw data, computer programs, intermediate running results and final running results, are stored in the memory. It stores and retrieves information according to the location specified by the controller. With the memory, the computer has the memory function, which ensures the normal work.

Input device A device that inputs data and information to a computer. It is a bridge between computer and users or other equipment. Input device is one of the main devices for information exchange between users and computer systems.

The output device is the terminal device of the computer, which is used to receive the output display, print, sound and control the running data of the computer peripheral devices. It also represents various calculation result data or information in the form of numbers, characters, images and sounds.