Disc Operating System (DOS)
Full form of MS-DOS is

Micro Soft Disk Operating System
Micro System Disk Operating System
Micro Sort Disk Operating System
Micro Simple Disk Operating System

ANSWER DOWNLOAD EXAMIANS APP

Disc Operating System (DOS)
Which of the following applies to Internal DOS commands?

Internal commands can be run whenever the DOS prompt is displayed
Internal commands are stored on disk separately from COMMAND.COM
Internal commands can only be executed from a batch file
Internal commands are reserved for DOS-level programming

ANSWER DOWNLOAD EXAMIANS APP