Which of the following applies to Internal DOS commands? A. Internal commands can be run whenever the DOS prompt is displayed B. Internal commands are reserved for DOS-level programming C. Internal commands can only be executed from a batch file D. Internal commands are stored on disk separately from COMMAND.COM E. None of the above

Here is a brief explanation of each option:

• A. Internal commands can be run whenever the DOS prompt is displayed. This is true because they are stored in COMMAND.COM, which is always loaded into memory.
• B. Internal commands are reserved for DOS-level programming. This is not true. Internal commands can be used by any program, not just DOS-level programs.
• C. Internal commands can only be executed from a batch file. This is not true. Internal commands can be executed from the command prompt or from a batch file.
• D. Internal commands are stored on disk separately from COMMAND.COM. This is not true. Internal commands are stored in COMMAND.COM.
• E. None of the above. This is not true. Option A is the correct answer.