The contents of a file opened in 'r+' mode cannot be changed.
True
False
Correct Answer :
B. False
Related Questions
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
Union is used to hold different data at different time.
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);
For 16bit compiler allowable range for integer constants is ______ ?
3.4e38 to 3.4e38
32767 to 32768
32768 to 32767
32668 to 32667
What will be output if you will compile and execute the following c code?
#include
#define x 5+2
int main(){
int i;
i=x*x*x;
printf("%d",i);
return 0;
}
27
343
233
Compiler Error
Bitwise operators can operate upon?
double and chars
floats and doubles
ints and floats
ints and chars
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
The contents of a file opened in 'r+' mode cannot be changed.
True
False
The main() function can be called from any other function.
True
False
C programming language was developed by
Dennis Ritchie
Ken Thompson
Bill Gates
Peter Norton
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 -------------------------- loop executes at least once.
for
while
do-while
while & do-while
A pointer is an indication of the variable to be accessed next.
True
False
Each pass through a loop is called a/an
enumeration
iteration
culmination
pass through
The expression 'int j = 6 + 3 % -9;' evaluates to -1.
True
False
The expression (i + j)++ is illegal.
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
What does STL stand for?
Simple Template Library
Standard Template Library
Static Type Library
Single Type-based Library
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
the value *(&i) is same as printing the value of address of i.
True
False
Which escape character can be used to beep from speaker in C?
\a
\b
\m
printf() is not a library function.
True
False
Only one break can be used in one loop.
True
False
It is necessary to initialize the array at the time of declaration.
True
False
The size of signed integer is ------ bytes.
4
2
8
10
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
p++ executes faster than p + 1.
True
False
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
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 output of the following code is:
main()
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
0
Nothing will be displayed
Infinite loop
None of the above