NCERT Solutions Class 12 Computer Science Arrays

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NCERT Solutions Class 12 Computer Science Arrays. 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 - Arrays

Question 1. Observe the following C++ code and find out, which out of the given options (i) to (iv) are the expected correct output. Also assign the maximum and minimum value that can be assigned to the variable ‘Go’.

void main()

{ int X [4] = {100, 75, 10, 125};

int Go = random(2) + 2;

for (int i = Go; i<4; i ++)

cout<<X [i]<<"$$";

}

(i) 100$$75

(ii) 75$$10$$125$$

(iii) 75$$10$$

(iv) 10$$125$

Answer:

(iv) is correct option

Max. Value = 3

Min. Value = 2

Short Answer Type Questions-II[3 marks each]

Question 1. Write the definition of a function grace score (int score [], int size) in C ++, which should check all the elements of the array and give an increase of 5 to those scores which are less than 40.

Example: if an array of seven integers is as follows: 45,35,85,80,33,27,90

After executing the function, the array content should be changed as follows : 45,40,85,80,38,32,90

Answer:

void grace_score(int score[].int size)

{

for(int i=0;i<size;i++)

{

if (score [i]<40)

score [i]=score[i]+5;

cout< }

}

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