Left shift operator rotates the bits on the left and places them to the right.
True
False
Correct Answer :
B. False
Related Questions
the value *(&i) is same as printing the value of address of i.
True
False
C is a ___ language
High Level and Procedural
Low Level and OOPS
Middle Level and Procedural
Machine Level and OOPS
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
What's wrong? while( (i < 10) && (i > 24))
the logical operator && cannot be used in a test condition
the while loop is an exit-condition loop
the test condition is always true
the test condition is always false
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
The expression "int i = j = k = 0;" is invalid.
True
False
A continue statement causes execution to skip to
the return 0; statement
the first statement after the loop
the statement following the continue statement
the next iteration of the loop
It is necessary to initialize the array at the time of declaration.
True
False
All macro substitutions in a program are done before compilation of the program.
True
False
Expression 4**3 evaluates to 64.
True
False
If the class name is X, what is the type of its “this” pointer (in a nonstatic, non-const member function)?
const X* const
X* const
X*
X&
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
= and = = have the same operation.
True
False
What is the right way to access value of structure variable book{ price, page }?
printf("%d%d", book.price, book.page);
printf("%d%d", price.book, page.book);
printf("%d%d"< price::book< page::book);
printf("%d%d", price>book, page>book);
Which of the following is not a preprocessor directive
#if
#elseif
#undef
#pragma
# define PI = 8;' is the correct declaration of macros.
True
False
Only one break can be used in one loop.
True
False
The size of signed integer is ------ bytes.
4
2
8
10
A recursive function calls itself again and again.
True
False
printf("%d", sizeof('2')); will print 2.
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
Which one of the following is not a valid reserved keyword in C++
Explicit
Public
Implicit
Private
The printf() function retunes which value when an error occurs?
Positive value
Zero
Negative value
None of these
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);
Right shifting an operand 1bit is equivalent to multiplying it by 2.
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
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 keyword supports dynamic method resolution?
abstract
Virtual
Dynamic
Typeid
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
printf() is not a library function.
True
False