1. Internal command in Dos are?
a) Cls, rd label
b) Dir, ren, sys
c) Time, type, dir
d) Del, disk copy, label

2. Which command is used to copy files?
a) Copy
b) Diskcopy
c) Type
d) All of the above

3. To copy the hidden system files of DOS to another disk you can use the command?
a) Copy
b) Ren
c) Sys
d) Diskcopy

4. Disk copy command in DOS is used to?
a) Copy a file
b) Copy contents of one floppy disk to another
c) Copy contents of CD-ROM to another
d) All of the above

5. The batch file uses the extension?
a) .BAT
b) .DOC
c) .PRG
d) .DOS

6. As per symbolic notation of DOS, which of the following indicates the ROOT directory?
a) *
b) >
c) /
d) None of the above

7. In wildcard specification `?’ is used as replacement for?
a) one character
b) two character
c) three character
d) none of the above

8. To display the list of all the file of the disk you would type?
a) DIR
b) COPY
c) DIR FILES
d) DIR AUTOEXEC.BAT

9. A characteristic of card systems is?
a) Slowness in processing data
b) Using cards as records of transactions
c) Needing a larger DP staff
d) All of the above

10. A digital computer did not score over an analog computer in terms of?
a) Speed
b) Accuracy
c) Cost
d) Memory