The correct answer is: A. Cls, rd label
Internal commands are commands that are built into the operating system and do not require an external program to be executed. They are typically stored in the system’s memory and can be executed very quickly.
Cls is an internal command that clears the screen.
Rd is an internal command that removes a directory.
Label is an internal command that assigns a label to a disk.
The other options are incorrect because they are external commands. External commands are commands that are not built into the operating system and require an external program to be executed. They are typically stored on a disk and are loaded into memory when they are executed.
Dir is an external command that displays the contents of a directory.
Ren is an external command that renames a file or directory.
Sys is an external command that formats a disk.
Time is an external command that displays the current time.
Type is an external command that displays the contents of a file.
Del is an external command that deletes a file.
Disk copy is an external command that copies a disk.