A. Memory Management
B. Inserting disk in the drive
C. I/O devices management
D. Loads programs

A. C++
B. BASIC
C. Word
D. Both a and b

A. Have different version.
B. Difficult to install
C. Easy to erase
D. Both b and c

A. Inter
B. Microsoft
C. IBM
D. UNIX

A. My.exe
B. Pakistan.com
C. Binary watch
D. All of these

A. DIR
B. EDIT
C. PROMPT
D. Both b and c

A. Prompt when error occur
B. Prompt the user if memory not available
C. Defines DOS prompt appears onscreen
D. Prompt in multi-user environment

A. Searches for file in local directory
B. Searches for file in My directory
C. Searches for file in C directory
D. Searches for files in three directories

A. Locates in the entire disk
B. Displays the message “file not found” or “Bad command or filename”
C. Redirect the path
D. Displays the tree

A. Specifies the text in the files
B. It takes long time
C. Will generate error message
D. All the above