The -------------------------- loop executes at least once.
for
while
do-while
while & do-while
Correct Answer :
C. do-while
Related Questions
A function to be called must be ended with a----------------
.
?
;
none of the above
Every if statement can be converted into an equivalent switch statement.
True
False
It is necessary to initialize the array at the time of declaration.
True
False
static variable will not always have assigned value.
True
False
Union is used to hold different data at different time.
True
False
The output of the following code is:
main()
{
xyz: goto abc;
printf("Hello");
abc: printf("World");
goto xyz;
}
{
xyz: goto abc;
printf("Hello");
abc: printf("World");
goto xyz;
}
Infinite loop
Hello World
World Hello
Compilation error
A continue statement causes execution to skip to
the return 0; statement
the first statement after the loop
the statement following the continue statement
the next iteration of the loop
The output of the following code is:
void main()
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
2 3
0 3
0 0
2 0
What would be the output of the following program?
int x=40;
main(){
int x=20;
printf("
%d",x);
}
main(){
int x=20;
printf("
%d",x);
}
40
20
Compilation Error
Garbeg Value
enum helps to create user defined datatype.
True
False
What will be output if you will compile and execute the following c code?
#include
int main(){
char c=125;
c=c+10;
printf("%d",c);
return 0;
}
135
+INF
-121
-135
fprintf()function can be used to write into console.
True
False
Which escape character can be used to beep from speaker in C?
\a
\b
\m
Which of the following is not a standard exception built in C++.
std::bad_creat
std::bad_alloc
std::bad_cast
std::bad_typeid
The default initial value of automatic storage class is 0.
True
False
= and = = have the same operation.
True
False
perror( ) function used to ?
Work same as printf()
prints the error message specified by the compiler
prints the garbage value assigned by the compiler
None of the above
If 'str' is a string of 7 characters, the statement printf("%4s", str); will display ------characters.
4
7
6
0
The output of the following code is:
main()
{
int a[10], i;
for (i = 1; I <= 0; i++)
{
scanf("%d", a[i]);
printf("%d", a[i]);
}
}
{
int a[10], i;
for (i = 1; I <= 0; i++)
{
scanf("%d", a[i]);
printf("%d", a[i]);
}
}
10
Logical error
Runtime error
1 to 10 will be displayed
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
char *s[10] defines an array of ------------------------
pointers to strings
string to pointer
both
The identifier argv[] is a pointer to an array of strings.
True
False
The expression (i + j)++ is illegal.
True
False
An array declared as A[100][100] can hold a maximum of 100 elements.
True
False
Which of the following is not true about preprocessor directives
They begin with a hash symbol
They are processed by a preprocessor
They form an integral part of the code
They have to end with a semi colon
The output of the following code is:
void main()
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
b=100 a=100
b=100 a=0
b=0 a=100
Error
------ is the ternary operator
?,-
?,:
++<--
none of the above
The output of the following code is:
main()
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
0
Nothing will be displayed
Infinite loop
None of the above
Operation between an integer and float always yields a float result.
True
False
What is the right way to access value of structure variable book{ price, page }?
printf("%d%d", book.price, book.page);
printf("%d%d", price.book, page.book);
printf("%d%d"< price::book< page::book);
printf("%d%d", price>book, page>book);