Retrive you can restart your computer press f8 it will takr you to a menu were you can choos recover lost files then go from there
Taking data and instructions from a user, processing the data as per instructions, and displaying or storing the processed data, are the four major functions of a computer. These functions are also known as the input function, process function, output function, and storage function, respectively.
For most usb devices, power is supplied via the port.
