C programs are converted into machine language with the help of
An Editor
A compiler
An operating system
None of the above
Correct Answer :
B. A compiler
Related Questions
If 'str' is a string of 7 characters, the statement printf("%4s", str); will display ------characters.
4
7
6
0
When is std::bad_alloc exception thrown?
When new operator cannot allocate memory
When alloc function fails
When type requested for new operation is considered bad< thisexception is thrown
When delete operator cannot delete teh allocated (corrupted) object
The function fopen() on failure returns---------------------.
0
NULL
1
none of the above
the value *(&i) is same as printing the value of address of i.
True
False
How many times the following loop will execute?
for (a = 0; a < 4; a++)
printf("hello
");
3
4
5
infinite
Which of the following correctly describes C++ language?
Statically typed language
Dynamically typed language
Both Statically and dynamically typed language
Type-less language
What is Keywords?
Keywords have some predefine meanings and these meanings can be changed.
Keywords have some unknown meanings and these meanings cannot be changed.
Keywords have some predefine meanings and these meanings cannot be changed.
None of the above
Structures within structures cannot be created.
True
False
The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
emp name' is a valid variable name.
True
False
Which header file is essential for using strcmp() function?
string.h
strings.h
text.h
strcmp.h
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
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
Operation between an integer and float always yields a float result.
True
False
The output of the following code is:
main()
{
void msg()
{
printf("HELLO WORLD");
}
}
{
void msg()
{
printf("HELLO WORLD");
}
}
HELLO WORLD
Error
None of the above
Null
The output of the following code is:
main()
{
int k, num = 30;
k = (num > 5 ? (num <= 10 ? 100 : 200) : 500);
printf("
%d", num);
}
{
int k, num = 30;
k = (num > 5 ? (num <= 10 ? 100 : 200) : 500);
printf("
%d", num);
}
200
500
30
Unpredictable
Which of the following is not a preprocessor directive
#if
#elseif
#undef
#pragma
The printf() function retunes which value when an error occurs?
Positive value
Zero
Negative value
None of these
What's wrong? for (int k = 2, k <=12, k++)
the increment should always be ++k
the variable must always be the letter i when using a for loop
there should be a semicolon at the end of the statement
the commas should be semicolons
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()
{
int a = 1, b=2;
int *ip;
ip=&a;
b=*ip;
printf("%d", b);
}
{
int a = 1, b=2;
int *ip;
ip=&a;
b=*ip;
printf("%d", b);
}
2
1
100
0
All elements of a structure are allocated contiguous memory locations.
True
False
Union is used to hold different data at different time.
True
False
Which of the following language is predecessor to C Programming Language?
A
B
BCPL
C++
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
For 16bit compiler allowable range for integer constants is ______ ?
3.4e38 to 3.4e38
32767 to 32768
32768 to 32767
32668 to 32667
Left shift operator rotates the bits on the left and places them to the right.
True
False
Nested macros are allowed.
True
False
The value of an enumerated datatype can be read using scanf() function.
True
False
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