How many times the following loop will execute?
for (a = 0; a < 4; a++)
printf("hello
");
3
4
5
infinite
Correct Answer :
B. 4
Related Questions
The array 'char name[10] can consist of a maximum of 9 characters.
True
False
fprintf()function can be used to write into console.
True
False
The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
the value *(&i) is same as printing the value of address of i.
True
False
Which of the following is not an infinite loop
int i =1;
while (1)
{i++;}
for( ; ; );
int true=0< false;
while (true)
{false = 1;}
int y, x = 0;
do
{y = x;}
while (x==0);
The output of the following code is:
main()
{
int sub[50];
for(i=0; i<=48;i++)
{
sub[i]=i;
printf("
%d", sub[i]);
}
}
{
int sub[50];
for(i=0; i<=48;i++)
{
sub[i]=i;
printf("
%d", sub[i]);
}
}
0 to 48 will be displayed
48
49
Compilation Error
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
The same variable names of automatic type can be used in different functions without any conflict.
True
False
Which of the following is not a preprocessor directive
#if
#elseif
#undef
#pragma
The expression 'int j = 6 + 3 % -9;' evaluates to -1.
True
False
continue statement is used
to go to the next iteration in a loop
come out of a loop
exit and return to the main function
restarts iterations from beginning of loop
C is a ___ language
High Level and Procedural
Low Level and OOPS
Middle Level and Procedural
Machine Level and OOPS
The output of the following code is:
void main()
{
int a = 0;
while (a<=50) for(;;) if(++a % 50==0) break;
printf("a = %d", a);
}
{
int a = 0;
while (a<=50) for(;;) if(++a % 50==0) break;
printf("a = %d", a);
}
a = 100
a = 50
compilation error
runtime error
unsigned' is a valid variable name.
True
False
All macro substitutions in a program are done before compilation of the program.
True
False
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
What is C Tokens?
The smallest individual units of c program
The basic element recognized by the compiler
The largest individual units of program
A & B Both
Expression 4**3 evaluates to 64.
True
False
For 16bit compiler allowable range for integer constants is ______ ?
3.4e38 to 3.4e38
32767 to 32768
32768 to 32767
32668 to 32667
The default initial value of automatic storage class is 0.
True
False
The identifier argv[] is a pointer to an array of strings.
True
False
Each pass through a loop is called a/an
enumeration
iteration
culmination
pass through
Which of the following shows the correct hierarchy of arithmetic operations in C
/ + *
* / +
+ / *
* / + -
In the expression - 'x + y + 3z =20'
x + y' is a keyword
3 and 20 are constants
3z is a constant
y is a variable and z is a constant
The output of the following code is:
void main()
{
char a = 'B';
switch (a)
{
case 'A' : printf("a");
case 'B' : printf("b");
default : printf("c");
}
{
char a = 'B';
switch (a)
{
case 'A' : printf("a");
case 'B' : printf("b");
default : printf("c");
}
B
b
bca
bc
Bitwise operators can operate upon?
double and chars
floats and doubles
ints and floats
ints and chars
# define PI = 8;' is the correct declaration of macros.
True
False
A declaration float a, b; occupies ___ of memory
1 byte
4 bytes
8 bytes
16 bytes
What will be output if you will compile and execute the following c code?
#include
int main(){
int i=320;
char *ptr=(char *)&i;
printf("%d",*ptr);
return 0;
}
int main(){
int i=320;
char *ptr=(char *)&i;
printf("%d",*ptr);
return 0;
}
1
64
320
Compiler Error
gets() and puts() are unformatted I/O functions.
True
False