Access and download CBSE Class 12 Computer Science Question Paper 2020 Set A, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 12 Computer Science previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.
Solved Computer Science Question Papers for Class 12
Practicing these Class 12 Computer Science question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 12 students can improve their speed and accuracy. Download the full CBSE Class 12 Computer Science Question Paper 2020 Set A to begin your self-assessment today.
Computer Science Class 12 Question Paper PDF with Solutions
CBSE Class 12 Computer Science Question Paper 2020 Set A. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.
1. a) What is difference between type casting and automatic type conversion? Explain with suitable example in C++.
b) Name the header files for which the following function belongs:
(i) setw ( ) (ii) isalnum( )
c) Rewrite the following program after removing all syntactical error(s), if any. Underline each correction:
#include<iostream.h>
struct Display
{
int ROW, COL;
}
void Showpoint(Display D)
{
cout<< D.ROW << D.COL <<endl;
}
void main( )
{
Display Disp1 = ( 10, 20 );
Display Disp2 = Disp1;
Disp1.Showpoint( );
ROW + = 15;
Showpoint( ).Disp2;
}
d) Give the output of the following program:
#include<iostream.h>
void main( )
{
int *ptrArray[10];
int marks[ ] = {75, 68, 90, 34, 0, 10, 90, 65};
for ( int i = 0 ; marks[i] != 0 ; i++)
{
ptrArray[i] = &marks[i];
*(ptrArray[i]) += 5;
}
int index = 0;
while(index < i)
{
int k = *(ptrArray[index]);
if (k > 60)
cout<< k <<” , ”;
index++;
}
}
e) Give the output of the following program:
#include<ctype.h>
#include<string.h>
#include<iostream.h>
void main( )
{
char*DATA = " a HexaDecimal" ;
for(int ctr = 0 ; ctr<strlen(DATA) ; ctr ++)
if(islower (DATA[ctr] ))
DATA[ctr] = toupper(DATA[ctr]);
else
if(isupper(DATA[ctr]))
if((ctr%2) ! = 0)
DATA[ctr] = tolower(DATA[ctr - 1]);
else
DATA[ctr]=DATA[ctr] -2;
cout<<DATA;
}
Please click the link below to download pdf file of CBSE Class 12 Computer Science Question Paper 2020 Set A
| CBSE Class 12 Computer Science Question Paper 2022 Set A Solved |
| CBSE Class 12 Computer Science Question Paper 2022 Set B Solved |
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| CBSE Class 12 Database Management Applications Question Paper 2019 |
| CBSE Class 12 Computer Science Question Paper Set 1 2015 Delhi with Answers |
| CBSE Class 12 Computer Science Question Paper Set 1 2015 Outside Delhi with Answers |
| CBSE Class 12 Computer Science Question paper 2010 (1) |
| CBSE Class 12 Computer Science Question paper 2010 (2) |
| CBSE Class 12 Computer Science Question paper 2006 (1) |
| CBSE Class 12 Computer Science Question paper 2006 (2) |
| CBSE Class 12 Computer Science Question paper 2006 (3) |
| CBSE Class XII Computer Science Question Paper 1 |
Important Practice Resources for Class 12 Computer Science
CBSE Class 12 Computer Science Question Paper 2020 Set A
To understand the types of questions asked in past examinations, it is very important for Class 12 students to solve the CBSE Class 12 Computer Science Question Paper 2020 Set A provided above. You can easily download these past papers for Class 12 Computer Science in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.
Importance of solving CBSE Class 12 Computer Science Question Paper 2020 Set A
Regularly practicing CBSE Class 12 Computer Science Question Paper 2020 Set A is the best way to improve your score in Class 12 Computer Science. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Computer Science paper within the allowed duration.
Benefits of downloading CBSE Class 12 Question Papers
Having the CBSE Class 12 Computer Science Question Paper 2020 Set A in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 12 Computer Science Sample Papers and MCQ tests on studiestoday.com for a complete revision.
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Regular practice of sample CBSE Class 12 Computer Science Question Paper 2020 Set A can help you to score better marks in exams
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