If your mouse is not working and you don't wish to wait till you get a new mouse, you would definitely like to know how you can use your keyboard as mouse.

This article contains many such amazing keyboard shortcuts which if used properly could save a lot of time and effort

With this trick, you can disable access to your USB(Universal Serial Bus) ports on your Windows based PC to prevent people from taking out data without permission or spreading viruses through the use of USB (pen and flash) drives.