CBSE Class 12 Computer Science Sample Paper 2020 Set A

CBSE Class 12 Computer Science Sample Paper 2020 Set A. CBSE issues sample papers every year for students for Class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers. 

1 a) What is the difference between Actual Parameter and Formal Parameters? Also, give a suitable C++ code to illustrate both.

b) Rewrite the following program after removing the syntactical errors (if any). Underline each correction.

include <iostream.h>

include <stdio.h>

class MyStudent

{

int StudentId=1001;

char Name[20];

PUBLIC

MyStudent( ) { }

void Register( )

{

cin>>StudentId;

gets(Name);

}

void Display( )

{

cout<<StudentId<<”:”<<Name<<endl;

}

}

void main( )

{

MyStudent MS;

Register.MS( );

MS.Display( );

}

c) Find the output of the following program:

#include<iostream.h>

struct STOCK

{

int Ino,Qty;

};

void Buy(STOCK &I,int TQ=2)

{

I.Qty+=TQ;

}

void main( )

{

STOCK I[2]={{

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