11. Each time you turn the power switch on, which control files will the computer check?

A. COMMAND.COM, IO.SYS
B. COMMAND.COM, DATE.COM, TIME.COM
C. C0MMAND.COM, IO.SYS, MSDOS.SYS
D. CHKDSK.EXE
E. None of the above

12. While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?

A. COPY FILE3 FILE1+FILE2
B. COPY FILE1+FILE2 FILE3
C. COPY FILE1+FILE2+FILE3
D. COPY FILE2 FILE1+FILE3
E. None of the above

13. Which two of the following DOS commands are used to display or set the date and time of your computer’s infernal clock?

A. VER
B. HOUR
C. DATE
D. DAY
E. None of the above

14. When MS-DOS formats a disk, it automatically creates the main directory on your disk, which is called the _____ directory.

A. main
B. root
C. area
D. border

15. Which command will prevent subsequent changes to the file CBT.EXE?

A. RENAME + r CBT.EXE
B. ATTRIB + r CBT.EXE
C. COPY + r CBT.EXE
D. MODE + r CBT.EXE
E. None of the above