internal command in Dos are
Cls, rd label
Dir, ren, sys
Time, type, dir
Del, disk copy, label
Answer : C
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1) To copy the file command.com from drive c: to drive a:
Drive c: copy drive a:command.com
C:A: copy command.com
Copy c:command.com a:
Both b and c
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2) What is a TSR?
test status request
terminate and stay resident program
take status request
token set ready
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3) Which keys can be pressed quit without saving in DOS
4) Which command is used to get the current date only?
5) Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?
Extended, Logical, Primary
Primary, Extended, Logical
Logical, Extended, Primary
Logical, Primary, Extended
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