1. MS-DOS is a ___________ type of operating system.

A.) Text based

B.) Windows based

C.) Program based

D.) None of these

2. ______ gives battery backup for a limited time

A.) Adapter



D.) None

3.     Which command displays current directory name or change from one to another?

a.    Chdir

b.    Cd

c.    Mkdir

d.    Both a and b

4. Which of the following is not a type of page margin?

 A. Left

 B. Right

 C. Center

 D. Top

5. Borders can be applied to

 A) Cells

 B) Paragraph

 C) Text

 D) All of above