p++ executes faster than p + 1.
True
False
Correct Answer :
A. True
Related Questions
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
Union is used to hold different data at different time.
True
False
Which of the following expressions is wrong
float a =123.56;
char ch ='T' * 'A';
char ch ='T' *20;
3 +a = b;
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
Which of the following is an example of compounded assignment statement?
a = 5
a += 5
a = b = c
a = b
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
The default initial value of automatic storage class is 0.
True
False
fopen() function returns a pointer to the open file.
True
False
C programming language was developed by
Dennis Ritchie
Ken Thompson
Bill Gates
Peter Norton
It is necessary to initialize the array at the time of declaration.
True
False
Nested macros are allowed.
True
False
The output of the following code is:
#define sqr(x= x*x)
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
77, 121
225, 121
77< 144
Compilation error
The output of the following code is:
main()
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
Infinite loop
9
0
None
Which options shows the correct hierarchy of arithmetic operators
**, * or /, + or -
**, *, /, +, -
**< /< *< +<-
/ or *, - or +
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
Which one of the following is not a valid reserved keyword in C++
Explicit
Public
Implicit
Private
Operation between an integer and float always yields a float result.
True
False
Which of the following is invalid?
''
" "
'a'
abc'
The-------------------- statement helps immediate exit from any part of the loop
break
continue
exit
All of the above
The expression 'int j = 6 + 3 % -9;' evaluates to -1.
True
False
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 size of signed integer is ------ bytes.
4
2
8
10
enum helps to create user defined datatype.
True
False
No commas or blanks are allowed within an integer or a real constant.
True
False
There are total ------ numbers of operators in 'C'.
35
45
55
40
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
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
printf() is not a library function.
True
False
The expression "int i = j = k = 0;" is invalid.
True
False
When a user defined function is defined in program, then it has to be called at least once from the main().
True
False