Allows you to install your favorite lock/start screen image on Windows 10/8. Also, you can choose an image file folder, and the program installs a randomly selected lock/start screen image each logon/logoff. The image formats are JPG, PNG, GIF, BMP.
Program using the LPT-port for determining the speed of human reaction to the visual signal. After starting the program LEDs blink. If one of the LED flashes, the test person is trying as quickly as possible to press a button.