External command in DOS are
Copy, edit, sys, format
Edit, sys, chkdsk
Chkdsk, prompt, date
Sys, ver, vol
Answer : B
Free Online Test
View More Related Question
1) What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?
2) The Fdisk command in DOS _____ .
Partitions the hard drive for use
Fixes erroneous hard drive
Formats data sectors on a hard drive
Checks hard drive for lost clusters
View Answer
3) While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?
4) You suspect a virus has entered your computer. What will not be affected by the virus?
5) While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?
