What is a 'bootable drive'?

• A. A drive containing media files
• B. A drive with necessary files to start an operating system
• C. A drive exclusively for backup purposes
• D. A drive that stores software applications only

Answer: (B)

A bootable drive is specifically defined as a drive that contains the necessary files to initiate and load an operating system. This typically includes the operating system's kernel, bootloader, and other essential files that allow the computer to start up and operate.

When a computer is powered on, it looks for a bootable drive to find these files. Without a bootable drive, the system cannot load the operating system, which is crucial for the computer to function. This drive can be a hard disk, a USB flash drive, or an optical disk, provided it has the required structure and files to support booting.

The other options describe functions or purposes of drives but do not align with the definition of a bootable drive. Drives containing media files, those used exclusively for backup, or drives that store software applications only do not have the essential boot files needed to start up an operating system.