NCERT Solutions Class 12 Computer Science C++ Revision Tour

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NCERT Solutions Class 12 Computer Science C++ Revision Tour. NCERT book for Computer Science in class 12 is strongly recommened by teachers and the CBSE and NCERT boards. Please download the NCERT solutions for class 12 Computer Science free in PDF made by teachers of the best schools in India. These solutions are carefully compiled to give detailed understanding of the concepts and also steps of solutions. The NCERT solutions are free to download in pdf format. Please refer to the download link below to download the pdf file and also refer to other chapters and subjects to get the solutions to Computer Science NCERT book questions and exercises.

Chapter - C++ Revision Tour 1.

Question 1: Write the related library function name based upon the given information in C++.

1. Get single character using keyboard. This function is available in stdio.h file.

2. To check whether given character is alpha numeric character or not. This function is available in c type.h file.

Answer: 1. getchar( )

2. isalnum( )

Question 2: Observe the following program very carefully and write the names of those header file(s), which essentially needed to compile and execute the following program successfully :

Type def char TEXT[80];

void main() {

TEXT Str[] = "Peace is supreme";

int Index = 0; while(Str[Index]! = '\0')

if(isupper(Str[Index]" Str[Index ++] = ? '#';

else str[Index ++] = '*'; puts(Str); }

Answer: < ctype.h>,<stdio.h>

Question 3: Name the header files that shall be needed for ‘ successful compilation of the following C+ + code :

void main()


char str[20],






puts(str1); }

Answer: #include#include

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