Which of the following is invalid?
''
" "
'a'
abc'
Correct Answer :
D. abc'
Related Questions
C programs are converted into machine language with the help of
An Editor
A compiler
An operating system
None of the above
p++ executes faster than p + 1.
True
False
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
When a user defined function is defined in program, then it has to be called at least once from the main().
True
False
unsigned' is a valid variable name.
True
False
What does STL stand for?
Simple Template Library
Standard Template Library
Static Type Library
Single Type-based Library
What is the difference between overloaded functions and overridden functions?
Overloading is a dynamic or run-time binding and Overriding is static or compile-time binding
Redefining a function in a friend class is called function overriding while Redefining a function in a derived class is called a overloaded fucntion.
Overloading is a static or compile-time binding and Overriding is dynamic or run-time binding
Redefining a function in a friend class is called function overloading while Redefining a function in a derived class is called as overridden fucnion.
The size of signed integer is ------ bytes.
4
2
8
10
An array declared as A[100][100] can hold a maximum of 100 elements.
True
False
Which of the following is not a standard exception built in C++.
std::bad_creat
std::bad_alloc
std::bad_cast
std::bad_typeid
Union is used to hold different data at different time.
True
False
unsigned char has a range from 0 to ------------
253
254
255
256
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
There are total ------ numbers of operators in 'C'.
35
45
55
40
What is an array?
An array is a collection of variables that are of the dissimilar data type.
An array is a collection of variables that are of the same data type.
An array is not a collection of variables that are of the same data type.
None of the above.
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
The output of the following code is:
int f(int a, int b);
void main()
{
int a = 12, b=154;
printf("%d", f(a, b));
}
int f(int a, int b)
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
void main()
{
int a = 12, b=154;
printf("%d", f(a, b));
}
int f(int a, int b)
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
2
1
Compilation error
Runtime error
enum helps to create user defined datatype.
True
False
char *s[10] defines an array of ------------------------
pointers to strings
string to pointer
both
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
Which one of the following is not a valid reserved keyword in C++
Explicit
Public
Implicit
Private
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
A pointer is an indication of the variable to be accessed next.
True
False
Variables declared as register storage type gets stored in CPU registers.
True
False
Which of the following expressions is wrong
float a =123.56;
char ch ='T' * 'A';
char ch ='T' *20;
3 +a = b;
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);
Identify the wrong statement
putchar(65)
putchar('x')
putchar("x")
putchar('
')
void' is a datatype.
True
False
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
The identifier argv[] is a pointer to an array of strings.
True
False