Since RAM is only active when the computer is on, your computer uses diskto store information even when the computer is off. Which of the following istrue? （ ）

• AWhen your computer is on, only RAM is used to store information.
• BWhen your computer is on, only disk drives are used to storeinformation.
• CWhen your computer is off, only RAM is used to store information.
• DWhen your computer is off, only disk drives are used to storeinformation.