1.
The primary job of the operating system of a computer is to
Answer: Option 'D'
All of these
2.
The operating system of a computer series as a software interface between the user and
Answer: Option 'A'
hardware
3.
Operating system is
Answer: Option 'C'
a collection of software routines
4.
The following command set is correct according to their function
Answer: Option 'B'
DEL and ERASE
5.
Which command used to change the file name?
Answer: Option 'C'
Both 'a' and 'b'
6.
While working with MS-DOS, which command is used copying the files to transfer one PC to another one?
Answer: Option 'D'
Copy
7.
Administrative supervision of database activities is the responsibility of the
Answer: Option 'A'
data base administrator
8.
A distributed network configuration in which all data/information pass through a central computer is
Answer: Option 'B'
star network
9.
The communication mode that supports data in both directions
Answer: Option 'B'
half duplex
10.
Modulation is the process of
Answer: Option 'B'
converting digital signals to analog signals