Device driver software is used to operate or control a particular device attached with the computer. It basically indentifies Writing a device driver needs an in-depth understanding of how the hardware and the software of a given platform function. Drivers operate in a privileged environment and can cause tragedy if they get things wrong.
A boot sector or boot block is a region of a hard disk‚ floppy disk‚ optical disc‚ or other data storage device that contains machine code to be loaded into random–access memory (RAM) by computers built–in firmware. The function of a boot sector is to allow the boot process of a computer to load a program (usually‚ but not necessarily‚ an operating system & stored on the same storage device. The location and size of the boot sector (perhaps corresponding to a logical disk sector) is specified by the design of the computing platform.