Read and download PDF of CBSE Class 12 Computer Science Sample Paper 2020 Solved (1) designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Computer Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Computer Science Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Computer Science Question Papers available on our website to build strong understanding of the subject
Sample Paper for Class 12 Computer Science Pdf
Students can refer to the below Class 12 Computer Science Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Computer Science Sample Paper 2020 Solved (1)
Computer Science Class 12 Sample Paper
CBSE Class 12 Computer Science Sample Paper 2020 Solved (1). It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.
Section A (C++)
Q1. a. Differentiate between ordinary function and member functions in C++. Explain with an example.
b. Write the related library function name based upon the given information in C++.
(i) Get single character using keyboard. This function is available in stdio.h file.
(ii) To check whether given character is alpha numeric character or not. This function is available in ctype.h file.
c. Rewrite the following C++ program after removing all the syntactical errors (if any), underlining each correction. :
include<iostream.h>
#define PI=3.14
void main( )
{ float r;a;
cout<<’enter any radius’;
cin>>r;
a=PI*pow(r,2);
cout<<”Area=”<<a
}
d. Write the output from the following C++ program code:
#include<iostream.h>
#include<ctype.h>
void strcon(char s[])
{
for(int i=0,l=0;s[i]!='\0';i++,l++);
for(int j=0; j<l; j++)
{
if (isupper(s[j]))
s[j]=tolower(s[j])+2;
else if ( islower(s[j]))
s[j]=toupper(s[j])-2;
else
s[j]='@';
}
}
void main()
{
char *c="Romeo Joliet";
strcon(c); cout<<"Text= "<<c<<endl;
c=c+3;
cout<<"New Text= "<<c<<endl;
c=c+5-2;
cout<<"last Text= "<<c
}
e. Find the output of the following C++ program:
#include<iostream.h>
#include<conio.h>
#include<ctype.h>
class Class
{
int Cno,total;
char section;
public:
Class(int no=1)
{
Cno=no;
section='A';
total=30;
}
void addmission(int c=20)
{
section++;
total+=c;
}
void ClassShow()
{
cout<<Cno<<":"<<section<<":"<<total<<endl;
}
} ;
void main()
{
Class C1(5),C2;
C1.addmission(25);
C1.ClassShow();
C2.addmission();
C1.addmission(30);
C2.ClassShow();
C1.ClassShow();
}
f. Study the following C++ program and select the possible output(s) from it :
Find the maximum and minimum value of L.
#include<stdlib.h>
#include<iostream.h>
#include<string.h>
void main()
{
randomize();
char P[]="C++PROGRAM";
long L;
for(int I=0;P[I]!='R';I++)
{
L=random (sizeof(L)) +5;
cout<<P[L]<<"-";
}
}
}
i) R-P-O-R-
ii) P-O-R-+-
iii) O-R-A-G-
iv) A-G-R-M-
Q2.a. How encapsulation and abstraction are implemented in C++ language? Explain with an example.
b. Answer the questions (i) and (ii) after going through the following C++ class:
class Stream
{
int StreamCode ; char Streamname[20];float fees;
public:
Stream( ) //Function 1
{
Please click the link below to download CBSE Class 12 Computer Science Sample Paper 2020 Solved (1).
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Sample Paper Computer Science Class 12
We hope you liked the above provided CBSE Class 12 Computer Science Sample Paper 2020 Solved (1). To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to refer to CBSE Class 12 Computer Science Sample Paper 2020 Solved (1) that we have provided above. Students can download the Sample Paper for Class 12 Computer Science which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 12 Computer Science Sample Paper 2020 Solved (1) for Class 12 Computer Science you will easily understand the way examination Sample Paper are set by teachers.
Class 12 Computer Science Sample Paper
The latest Sample Paper CBSE Class 12 Computer Science Sample Paper 2020 Solved (1) covers all the topics which have been suggested by CBSE in their Class 12 Computer Science syllabus for the current year. By doing CBSE Class 12 Computer Science Sample Paper 2020 Solved (1) you will understand the regular questions and MCQ questions for Class 12 Computer Science which are always asked and learn them so that you can get full marks in those questions.
Class 12 Computer Science Model Question Paper Pdf Download
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Computer Science Sample Paper Class 12 with Solutions
We have provided CBSE Class 12 Computer Science Sample Paper 2020 Solved (1) with solutions. You will be able to understand the type of answers which you should write in Class 12 Computer Science exams to score good marks. You should attempt all the last year question paper for Class 12 and Class 12 Computer Science MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers. This way you will be able to identify your weak areas and also understand how the teachers of Class 12 Computer Science set their questions in the exams.
CBSE Class 12 Computer Science Sample Paper with solutions
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