CBSE Class 12 Computer Science Question Paper 2021 Set B

Computer Science
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Read and download CBSE Class 12 Computer Science Question Paper 2021 Set B designed as per the latest question paper pattern and Class 12 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 12 Computer Science have been provided with solutions which will help students to assess their performance and find out topics in Computer Science Class 12 which they need to improve to get better marks in Class 12 exams. After solving these last year papers also refer to solved Sample Papers for Class 12 Computer Science available on our website to build strong understanding of the subject

Computer Science Question Paper Class 12

Students can refer to the below Class 12 Computer Science Question 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 Question Paper 2021 Set B

Computer Science Class 12 Question Paper

CBSE Class 12 Computer Science Question Paper 2021 Set B. 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) Out of the following, find those identifiers, which cannot be used for naming Variable, Constants or Functions in a C++ program : 
_Cost, Price*Qty, float, Switch, Address One, Delete, Number12, do
(b) Jayapriya has started learning C++ and has typed the following program. When she compiled the following code written by her, she discovered that she needs to include some header files to successfully compile and execute it. Write the names of those header files, which are required to be included in the code. 
void main()
{ float A, Number, Outcome;
cin>>A>>Number;
Outcome=pow(A,Number);
cout<<Outcome<<endl; }
(c) Rewrite the following C++ code after removing any/all syntactical errors with each correction underlined. 
Note : Assume all required header files are already being included in the program.
#define Equation(p,q)=p+2*q
void main()
{
float A=3.2;B=4.1;
C=Equation(A,B);
cout<<’Output=’<<C<<endl;
}
(d) Find and write the output of the following C++ program code : 
Note : Assume all required header files are already included in the program.
typedef char STRING[80];
void MIXITNOW(STRING S)
{ int Size=strlen(S); for(int I=0;I<Size–1;I+=2)
{ char WS=S[I]; S[I]=S[I+1];
S[I+1]=WS; }
for(I=1;I<Size;I+=2)                    if(S[I]>=’M’ && S[I]<=’U’)
S[I]=’@’; }
void main()
{ STRING Word=”CRACKAJACK”; MIXITNOW(Word); cout<<Word<<endl; }
(e) Find and write the output of the following C++ program code : 
Note : Assume all required header files are already being included in the program.
class Stock
{
long int ID; float Rate; int Date;
public:
Stock() { ID=1001; Rate=200; Date=1; }
void RegCode(long int I,float R)
{
ID=I;
Rate=R;
}
 
Please click the link below to download pdf file of CBSE Class 12 Computer Science Question Paper 2021 Set B

2022
CBSE Class 12 Computer Science Question Paper 2022 Set A Solved
CBSE Class 12 Computer Science Question Paper 2022 Set B Solved
2021
CBSE Class 12 Computer Science Question Paper 2021 Set A Solved
CBSE Class 12 Computer Science Question Paper 2021 Set B
CBSE Class 12 Computer Science Question Paper 2021 Set B Solved
CBSE Class 12 Computer Science Question Paper 2021 Set C Solved
2020
CBSE Class 12 Computer Science Compartment Question Paper Solved 2020
CBSE Class 12 Computer Science Old Compartment Question Paper Solved 2020
CBSE Class 12 Computer Science Question Paper 2020 Set A
CBSE Class 12 Computer Science Question Paper 2020 Set C Solved
2019
CBSE Class 12 Computer Science Question Paper Solved 2019
CBSE Class 12 Database Management Applications Question Paper 2019
2016
CBSE Class 12 Computer Science Question Paper 2016 Delhi
2015
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
2014
CBSE Class 12 Computer Science Question Paper 2014 - Delhi
CBSE Class 12 Computer Science Question Paper 2014 - Outside Delhi
CBSE Class 12 Computer Science Question Paper SA2 2014 (1)
CBSE Class 12 Computer Science Question Paper SA2 2014 (2)
CBSE Class 12 Computer Science Question Paper SA2 2014 (3)
2013
CBSE Class 12 Computer Science Question Paper 2013 (1)
CBSE Class 12 Computer Science Question Paper 2013 (2)
CBSE Class 12 Computer Science Question Paper 2013 (3)
CBSE Class 12 Computer Science Question Paper 2013 (4)
CBSE Class 12 Computer Science Question Paper 2013 (5)
CBSE Class 12 Computer Science Question Paper 2013 (6)
CBSE Class 12 Computer Science Question Paper SA1 2013
CBSE Class 12 Computer Science Question Paper SA2 2013
2012
CBSE Class 12 Computer Science Question paper 2012 (1)
CBSE Class 12 Computer Science Question paper 2012 (2)
CBSE Class 12 Computer Science Question Paper SA1 2012 (2)
CBSE Class 12 Computer Science Question Paper SA1 2012 (3)
2010
CBSE Class 12 Computer Science Question paper 2010 (1)
CBSE Class 12 Computer Science Question paper 2010 (2)
2009
CBSE Class XII Computer science Question paper 2009
2008
CBSE Class XII Computer science Question paper 2008
2007
CBSE Class 12 Computer Science Question paper 2007 (1)
2006
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)
* More Question Papers
CBSE Class XII Computer Science Question Paper 1
CBSE Class 12 Computer Science Boards Question Paper 2018
CBSE Class 12 Computer Science Compartment Question Paper 2018
CBSE Class 12 Computer Science Question Paper 2020 Set B
CBSE Class 12 Computer Science Question Paper 2021 Set A
CBSE Class 12 Computer Science Question Paper 2021 Set D
CBSE Class 12 Computer Science Question Paper All India with answers 2017
CBSE Class 12 Computer Science Question Paper Delhi with answers 2017
CBSE Class 12 Computer Science Question Paper SA1 2012
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Computer Science Class 12 Question Paper
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Previous Year Question Paper Class 12 Computer Science

CBSE Class 12 Computer Science Question Paper 2021 Set B

We hope you liked the above provided CBSE Class 12 Computer Science Question Paper 2021 Set B. To get an understanding of the type of questions which were asked in previous year exams, it is important for Class 12 students to refer to CBSE Class 12 Computer Science Question Paper 2021 Set B that we have provided above. Students can download all the Question Papers for Class 12 Computer Science which were issued in the exams so that you can practise them and solve all types of questions which have been asked till now. By doing all CBSE Class 12 Computer Science Question Paper 2021 Set B PYP (previous year papers) 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. You can download CBSE Class 12 Computer Science Previous Year Question Papers and Class 12 Computer Science Sample Papers in PDF. 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.
 

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