1.
Which command used to change the file name?
Answer: Option 'C'
Both 'a' and 'b'
2.
Administrative supervision of database activities is the responsibility of the
Answer: Option 'A'
data base administrator
3.
The application layer of the OSI model is the
Answer: Option 'B'
seventh layer
4.
While working with MS-DOS, which command is used copying the files to transfer one PC to another one?
Answer: Option 'D'
Copy
5.
The communication mode that supports data in both directions
Answer: Option 'B'
half duplex
6.
Operating system is
Answer: Option 'C'
a collection of software routines
7.
A distributed network configuration in which all data/information pass through a central computer is
Answer: Option 'B'
star network
8.
Modulation is the process of
Answer: Option 'B'
converting digital signals to analog signals
9.
The operating system of a computer series as a software interface between the user and
Answer: Option 'A'
hardware
10.
The primary job of the operating system of a computer is to
Answer: Option 'D'
All of these
11.
The following command set is correct according to their function
Answer: Option 'B'
DEL and ERASE
12.
Which of the following technique provides dedicated communication channel between two stations.
Answer: Option 'B'
Circuit switching
13.
Working of the WAN generally involves
Answer: Option 'D'
satellite
14.
Base band is
Answer: Option 'C'
transmission of signals without modulation
15.
End-to-end conncectivity is provided from host-to-host in
Answer: Option 'D'
transport layer