gets() and puts() are unformatted I/O functions.
True
False
Correct Answer :
A. True
Related Questions
The identifier argv[] is a pointer to an array of strings.
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
static variable will not always have assigned value.
True
False
The contents of a file opened in 'r+' mode cannot be changed.
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
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
The same variable names of automatic type can be used in different functions without any conflict.
True
False
Which of the following is not a preprocessor directive
#if
#elseif
#undef
#pragma
= and = = have the same operation.
True
False
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
# define PI = 8;' is the correct declaration of macros.
True
False
Which of the following expressions is wrong
float a =123.56;
char ch ='T' * 'A';
char ch ='T' *20;
3 +a = b;
p++ executes faster than p + 1.
True
False
A declaration float a, b; occupies ___ of memory
1 byte
4 bytes
8 bytes
16 bytes
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
All macro substitutions in a program are done before compilation of the program.
True
False
What is right way to Initialization array?
int num[6] = { 2, 4, 12, 5, 45, 5 } ;
int n{} = { 2, 4, 12, 5, 45, 5 } ;
int n{6} = { 2< 4< 12 } ;
int n(6) = { 2, 4, 12, 5, 45, 5 } ;
gets() and puts() are unformatted I/O functions.
True
False
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);
The function fopen() on failure returns---------------------.
0
NULL
1
none of the above
The expression "int i = j = k = 0;" is invalid.
True
False
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
The-------------------- statement helps immediate exit from any part of the loop
break
continue
exit
All of the above
How many times the following loop will execute?
for (a = 0; a < 4; a++)
printf("hello
");
3
4
5
infinite
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
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
unsigned char has a range from 0 to ------------
253
254
255
256
If 'str' is a string of 7 characters, the statement printf("%4s", str); will display ------characters.
4
7
6
0
Which of the following is an example of compounded assignment statement?
a = 5
a += 5
a = b = c
a = b