Page 53 - C++

Class XII
Computer Science (083)
Sample Question Paper 2018-19

Time allowed: 3 Hours Max. Marks: 70

General Instructions:

(a) All questions are compulsory.

(b) Programming Language with C++
(c) In Question 2(b, d) ,3 and 4 has internal choices.

Q. No. Part Question Description Marks

1 (a) Write the type of C++ Operators (Arithmetic, Logical, and Relational (2)
Operators) from thefollowing:
(i) !(ii) !=(iii) &&(iv) %

(b) Observe the following program very carefully and write the name of those (1)
header file(s), which are essentially needed to compile and execute
thefollowing program successfully:
void main()
{
char text[20], newText[20];
gets(text);
strcpy(newText,text);
for(int i=0;i<strlen(text);i++)
if(text[i] = =’A’)
text[i] = text[i]+2;
puts(text);
}

(c) Rewrite the following C++ code after removing any/all Syntactical Error(s) (2)
with each correction underlined.

Note: Assume all required header files are already being included in the
program.

#define float PI 3.14
void main( )
{
float R=4.5,H=1.5;
A=2*PI*R*H + 2*PIpow(R,2);
cout<<‘Area=’<<A<<endl;
}

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