Computer Science - Disk Operating System (DOS)

Exercise : Disk Operating System (DOS) - Section 3
26.
Filename extensions help identify certain files. What filename extension identifies executable files?
INF
PRO
EXE
SYS
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Which combination of keys allows you to perform a warm boot?
Ctrl+ESC
Ctrl+Alt+DEL
Ctrl+Shift+DEL
Ctrl+Shift+ENTER
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?
AT1234567
ATDT1234567
AT1234567DL
ATM 1234567
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory?
COPY a: *.TXT
COPY *.TXT A:
COPY *.TXT C:
COPY *.TXT ALL.TXT
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
While working with MS-DOS, which command is used to switch to the monochrome display from color display?
MODE BLACK
MODE B/W
MODE MONO
MODE CO40
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.