The index of an array starts from 1.

July 17, 2021 in C and CPP

The index of an array starts from 1.

Each statement below is either TRUE or FALSE. Choose the most appropriate one
and ENTER in the “tear-off” sheet attached to the question paper, following
instructions therein.

2.1 The index of an array starts from 1.
2.2 Task of continue keyword is to transfer the control of program at the next step of the loop.
2.3 Every variable in c have three most fundamental attributes: Name, Value, Address.
2.4 It is guaranteed that the while loop will be executed at least once.
2.5 All of the following are valid expressions in C.
If a( = 6) b = 5;
a = b = c = 5;
a = 11 % 3
2.6 In ‘C’, parameters to a function can be passed by value but not by reference.
2.7 Changes made to an array inside a function are automatically reflected in calling program.
2.8 The operating system converts the ‘C’ program into machine language.
2.9 Every function in ‘C’ must have a “return” statement.
2.10 C is an object oriented programming language.

July 17, 2021 in C and CPP

Which is an incorrect variable name?

1.10 Which is an incorrect variable name?
A) Id_No
B) ID_NO
C) IdNo
D) Id No

July 17, 2021 in C and CPP

For the function

1.9 For the function
int operation (int A[], int n)
{
…
…
}
Which is the appropriate calling statement from main program?
A) s=operation(A[], 6)
B) operation(A, 6)
C) k=operation(A, 6)
D) d=operation(int A, 6)

July 17, 2021 in C and CPP

What is the final value of x when the code int x; for(x=0; x<10; x++) {} is executed?

1.8 What is the final value of x when the code int x; for(x=0; x<10; x++) {} is executed?
A) 10
B) 9
C) 0
D) 1

July 17, 2021 in C and CPP

Which of the following is not a valid relational operator?

1.7 Which of the following is not a valid relational operator?
A) <
B) =
C) >=
D) <=

July 17, 2021 in C and CPP

What is the value of r after this code is executed?

1.6 What is the value of r after this code is executed?
r=2;
k=8;
if (r>3 || k>6 && r<5 ||k>10)
r=9;
else
r=6
A) 9
B) 2
C) 6
D) 8

July 17, 2021 in C and CPP

When the following piece of code is executed, what happens?

1.5 When the following piece of code is executed, what happens?
b = 3; a = b++;
A) a contains 3 and b contains 4
B) a contains 4 and b contains 4
C) a contains 4 and b contains 3
D) a contains 3 and b contains 3

July 17, 2021 in C and CPP

Which code will print k 20 times?

1.4 Which code will print k 20 times?
A) for (i=1; i < 20; i++)
printf (“k”);
B) for (i=1; i = 20; i++)
printf (“k”);
C) for (i=0; i < 20; i++)
printf (“k”);
D) for (i=0; i <= 20; i++)
printf (“k”);

July 17, 2021 in C and CPP

In an assignment statement a=b; which of the following statement is true?

1.3 In an assignment statement a=b; which of the following statement is true?
A) The variable a and the variable b are same.
B) The value of b is assigned to variable a but if b changes later, it will not effect the value of variable a.
C) The value of b is assigned to variable a but if b changes later, it will effect the value of variable a.
D) The value of variable a is assigned to variable b, and the value of variable b is assigned to variable a.

July 17, 2021 in C and CPP

What will be output after compilation and execution of the following code?

1.2 What will be output after compilation and execution of the following code?
#include<stdio.h>
int main(){ int array[3]={5}; int i;
for (i=0;i<=2;i++)
printf("%d ",array[i]); return 0;}

A) 5 garbage garbage
B) 5 0 0
C) 0 0 0
D) 5 5 5