1. The brain of any computer system is
D. Control unit
E. None of the above
2. _______ are software which is used to do particular task.
A. Operating system
3. While working with Ms-Dos which command transfers a specific file from one disk to another?
4. Which command creates a directory or subdirectory?
d. Both b and c
5. Which command is used to delete the directory that is empty?
a. Del *.*