CBSE Guess > Papers > Important Questions > Class XII > 2010 > Computer Science > Computer Science By Ravi Kiran
CBSE CLASS XII
(d) “Hindustan Connecting World Association” is lanning to start their offices in
four major cities in India to provide regional IT infrastructure support in the
field of Education & Culture. The company has planned to set up their head
office in New Delhi in three locations and have named their New Delhi offices
as “Sales Office”, ”Head Office” and “Tech Office”. The company’s regional
offices are located at ”Coimbatore”, “Kolkata” and “Ahmedabad”.
A rough layout of the same is as follows :
Approximate distances between these offices as per network survey team
is as follows :
Place From Place To Distance
Head Office Sales Office 10 KM
Head Office Tech Office 70 Meter
Head Office Kolkata Office 1291 KM
Head Office Ahmedabad Office 790 KM
Head Office Coimbatore Office 1952 KM
In continuation of the above, the company experts have planned to install
the following number of computers in each of their offices :
Head Office 100
Sales Office 20
Tech Office 50
Kolkata Office 50
Ahmedabad Office 50
Coimbatore Office 50
(i) Suggest network type (out of LAN, MAN, WAN) for connecting each of the following set of their offices :
a) Head Office and Tech Office
b) Head Office and Coimbatore Office
(ii) Which device will you suggest to be procured by the company for
connecting all the computers within each of, their offices out of the
following devices ?
a) Modem
b) Telephone
c) Switch/Hub
(iii) Which of the following communication media, will you suggest to be
procured by the company for connecting their local offices in New
Delhi for very effective and fast communication ?
a ) Ethernet Cable
b) Optical Fiber
c) Telephone Cable
(iv) Suggest a cable/wiring layout for connecting the company’s local offices
located in New Delhi. Also,, suggest an effective method/technology
for connecting the company’s regional offices at “Kolkata”,
“Coimbatore” and “Ahmedabad”.
QUESTION PAPER CODE 91/1
1. (a) Differentiate between a Run Time Error and Syntax Error. Also give suitable examples of each in C++.
(b) Name the header file(s) that shall be needed for successful compilation of the
following C++ code 1
void main ( )
{
char String [20];
gets (String);
strcat (String, “CBSE”);
puts (String);
}
(c) Rewrite the following program after removing the syntactical error(s) if any.
Underline each correction. 2
# include <iostream.h>
const int Max 10;
void main ( )
{
int Numbers [Max];
Numbers = { 20, 50,10, 30,40 } ;
for (Loc= Max-1 ; Loc > = 0 ; Loc - -)
cout>>Numbers [Loc];
}
Paper By Mr. Ravi Kiran
Email Id : [email protected]
