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1. Which of the following is false for switch statement in
C++?
a. It uses labels instead of blocks
b. we need to put break statement at the end of the group of
statement of a
condition
c. we can put range for case such as case 1..3
d. None of above
ANS:C
2. In case of pass by reference
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a. The values of those variables are passed to the function so
that it can
manipulate them
b. The location of variable in memory is passed to the function
so that it can use
the same memory area for its processing
c. The function declaration should contain ampersand (& in
its type
declaration
d. All of above
ANS: B
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3. What will be the output of the following arithmetic
expression ?
5+3*2%10-8*6
a) -37
b) -42c) -32
d) -28
ans:A
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4. What will be the output of the following statement ?
int a=10; printf("%d &i",a,10);
a) error
b) 10c) 10 10
d) none of these
ANS:D
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5. What will be the output of the following statement ?
printf("%X%x%ci%x",11,10,'s',12);
a) error
b) basicc) Bas94c
d) none of these
ANS:B
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6. What will be the output of the following statements ?
int a = 4, b = 7,c; c = a = = b; printf("%i",c);
a) 0
b) errorc) 1
d) garbage value
ANS:A
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7.What will be the output of the following statement ?printf( 3
+ "goodbye");
a) goodbye
b) odbyec) bye
d) dbye
ANS:(D)
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8.What will be the output of the following statements ?int a =
5, b = 2, c = 10, i = a>b
void main()
{ printf("hello"); main(); }
a) 1
b) 2
c) infinite number of times
d) none of these
ANS: C
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9. What will be the output of the following program ?
#include
void main()
{ int a = 2;
switch(a){ case 1:
printf("goodbye"); break;
case 2:
continue;
case 3:
printf("bye");
}
}
a) errorb) goodbye
c) bye
d) byegoodbye
ans:A
10 . What will be the output of the following statements ?
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int i = 1,j; j=i--- -2; printf("%d",j);
a) error
b) 2
c) 3
d) -3
ANS:C (3)
11. What will be the output of following program ?
#include
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main()
{
int x,y = 10;
x = y * NULL;
printf("%d",x);
}
a) error
b) 0
c) 10
d) garbage value
ANS: (B). 0
12.
What will be the output of the following statements ?
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int i = 3;
printf("%d%d",i,i++);
a) 34
b) 43
c) 44d) 33
(b):4,3
13.
void main()
{
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printf("\n%d", sizeof(str));
}
1) 7
2) 63) 5
4) error
ans(2)
1. 15. Evaluate !(1 && !(0 || 1))
a. True
b. False
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c. Unevaluated table
d. None of the above
Ans:a
16. Which of the following function sets first n characters of a
string to
a given character?
A. strinit() B. strnset()
C. strset() D. strcset()
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ans :B
17. main( ) {
printf ( "%c", "abcdefgh"[4] ) ;
}
A. e
B.abcde
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C.efgh
D.Error
ANS:A
18. Find the output.
main( ) {printf ( "\n%d%d", sizeof ( 3 ), sizeof ( "3" ), sizeof
( 3 ) ) ;}
A. 12
B.123C.1234
D. Error
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ANS:a
19.Find the output.
#include
#include
int main()
{char str[] = "Programming";
printf("%s ",&str[2]);
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printf("%s ",str);
printf("%s ",&str);
return(0);
}
1. ogramming Programming Programming
2. ogramming Programming < Garbage Value >
3. Programming ogramming Programming
4. Program Compiled with Syntax Errors
ANS:1
20: char txt [20] = "Hello world!\0";How many bytes are
allocated by the definition above?A. 11 bytesB. 12 bytes
C.13 bytes
D. 20 bytes
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ANS:D
