MODEL QUESTION PAPER COMPUTERSCIENCE +1

SET 3

1.Pick the odd man out
a)Bus b)Ring c)Lan d)Star
2.Write the purpose of the following key combinations in c++ IDE
a)Alt +F5 b)Ctrl+F9
3.Consider the following c++ statements
Char ch=’A’;
Putchar(++ch);
What will be the output?
4.State true or false
Hard copy devices are very slow compared to soft copy devices
5.Somebody copies a software without author’s legal permission.Do you think it is
a crime? Why?Express your comments
6.What would be the appropriate data type to store the following?
1)Length of cloths
2)Age of employee
3)Average mark of a student
4)Name of the student
7.Find and correct the errors, if any in any of the following statements
1)cout<<”x =”;x;
2)cin>>x;>>y;
8.Match the following
a)Loop statements                 Continue
b)Jump statements                 do…..while
c)Decision statements            { a=0;}
d)Compound statements        putchar
                                             if
9)Write the corrected version of the program and find the output
#include(iostream.h)
void main( )
{
float return=10.7;
float y;
y=return % 5.0;
cout<<return<<”….”<<y;

10.Match the following
a)Intranet - rules and conventions for data transfer
b)browsing - private network owned by an organization
c)protocol - free service in internet
- processing of visiting websites
11.An algorithm is given below. Steps are incorrect order
1.Start
2.end
3.if k<=n then
4.f=f*k
5.k=k+1 goto step 3
6.f=1,k=1
7.Print f
8.Read n
a)Rearrange the steps and make it a meaningful algorithm.
b)What is the purpose of the algorithm.
12.a)Find the octal number corresponding to the number BAD16
b)Represent -23 in 2’s complement form
13.The length and breadth of a rectangle is (11.01)2 cm and (10.11)2 cm. Find the
area of the rectangle and express it in binary number system 3
14.Given the following expressions
a)Val = 3
b)Val == 3
1)How are these two different?
2)What will be the result of b if the value of ‘Val’ is 5 initially?
15.a)Companies prefer network of computers rather than independent machines.
Justify this statement?
b)Give example for i)e-mail program ii)Browser
16.A shop keeper wants to buy a computers. But there is only a little space on a table to
place the monitor.
a)As a computer student, what type of monitor will you suggest for him?
b)Justify your suggestion with sufficient points
17.You are asked to prepare a report showing the grades obtained in each subject by
the students of your class using their marks. Explain the main activities to be
done for processing the data.
18.Explain the components of data processing?
19.Why is the paper coming from the laser prints hot explain?
20.Define the following
a)Seek Time b)Access Time c)Latency Time
21.Compare Stack and Queues with an example
22.Write a program to find the factorial of a number using functions?
23.Write the header file for the following functions.
a)getline () b)itoa () c)abs() d)strcmp() e) exit() f) getch()
24.a)Suppose you want to store the names of your three friends. Write a C++
Initialization statement for this purpose
b)If you are asked to input the names, give the input statement for this purpose 2
25.Write a C++ program to merge two sorted arrays A and B
26.Write an algorithm for binary search method