The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
Correct Answer :
B. False
Related Questions
fopen() function returns a pointer to the open file.
True
False
&& and & operators have the same meaning.
True
False
unsigned char has a range from 0 to ------------
253
254
255
256
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
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
Union is used to hold different data at different time.
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
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()
The identifier argv[] is a pointer to an array of strings.
True
False
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
Which of the following correctly describes C++ language?
Statically typed language
Dynamically typed language
Both Statically and dynamically typed language
Type-less language
Variables declared as register storage type gets stored in CPU registers.
True
False
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
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
Only one break can be used in one loop.
True
False
Single operations involving entire arrays are permitted in C.
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
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
Which classes allow primitive types to be accessed as objects?
Storage
Virtual
Friend
Wrapper
How many times the following loop will execute?
for (a = 0; a < 4; a++)
printf("hello
");
3
4
5
infinite
What's wrong? (x = 4 && y = 5) ? (a = 5) ; (b = 6);
the question mark should be an equal sign
the first semicolon should be a colon
there are too many variables in the statement
the conditional operator is only used with apstrings
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 function fopen() on failure returns---------------------.
0
NULL
1
none of the above
Left shift operator rotates the bits on the left and places them to the right.
True
False
Right shifting an operand 1bit is equivalent to multiplying it by 2.
True
False
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
The output of the following code is:
void main()
{
float a;
int x = 10, y = 3; a = x / y;
printf("%f", a); }
{
float a;
int x = 10, y = 3; a = x / y;
printf("%f", a); }
3.999999
Error
3
3.000000
Which of the following keyword supports dynamic method resolution?
abstract
Virtual
Dynamic
Typeid
Which among the following is a unconditional control structure
do-while
if-else
goto
for