Important Sample Papers Of CBSE Class XII For Examination 2009
: IT SYSTEMS (Theory)
1. Expand the following terms
and give two line description of each : 10
2. Fill in the following blanks
(i) Device Management is a function of ___________ . .
(ii) __________ is one of the examples of
(iii) The utility used for restore and backup is ___________ .
(iv) _________ is an example of firmware.
(v) Protocol is a set of _________ .
(vi) ____________ stores the incoming mail in Outlook.
(vii) MODEM speed is measured in __________ .
(viii) Repeater works as __________ .
(ix) ISDN stands for __________ .
(x) Multmedia requires the following, Speaker, ________ and ________ .
the following : 15
(i) What is the difference between
Internal and External DOS command ?
(ii) What is the purpose of Gateway in Networking ?
(iii) Give example of Real time application.
(iv) What is clipboard ?
(v) What is BUS topology in network ?
(vi) Why do we compress the files ?
(vii) Convert Decimal to Binary.
( )2 (60)10 = ( )2
(viii) Convert Binary to
( )16 (10101111)2 = ( )16
(ix) Give three advantages of using
(x) Explain the use of autoexec.bat file in DOS.
the following : 20
(i) Explain E-commerce with
(ii) Compare primary memory with secondary memory.
(iii) Define Intranet. How is it different from Internet ?
(iv) Explain Video Conferencing in detail.
(v) Explain Addressing Techniques.
(vi) Give four advantages of Computer Networking.
(vii) Create a batch file to :
a directory with name as CBSE in the root directory.
· Display date in the file Hello stored in
· Delete all the files from current
directory with extension as .exe.
· Copy all the files with extension .tmp
to C:\BACKUP directory.
(viii) What is the function of
commands FIND and SORT ?
(ix) Differentiate between Hard disk and CD-ROM Drive.
(x) Define Web page and Web-site.