All elements of a structure are allocated contiguous memory locations.
True
False
Correct Answer :
A. True
Related Questions
A declaration float a, b; occupies ___ of memory
1 byte
4 bytes
8 bytes
16 bytes
Which of the following shows the correct hierarchy of arithmetic operations in C
/ + *
* / +
+ / *
* / + -
Single operations involving entire arrays are permitted in C.
True
False
Which of the following is invalid?
''
" "
'a'
abc'
The output of the following code is:
void main()
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
2 3
0 3
0 0
2 0
A C variable cannot start with
An alphabet
A number
A special symbol other than underscore
both (b) and (c)
Which among the following is a unconditional control structure
do-while
if-else
goto
for
------ is the ternary operator
?,-
?,:
++<--
none of the above
The main() function can be called from any other function.
True
False
There are total ------ numbers of operators in 'C'.
35
45
55
40
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
It is necessary to initialize the array at the time of declaration.
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'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 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
No commas or blanks are allowed within an integer or a real constant.
True
False
The output of the following code is:
main()
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
Infinite loop
9
0
None
unsigned char has a range from 0 to ------------
253
254
255
256
The -------------------------- loop executes at least once.
for
while
do-while
while & do-while
The expression (i + j)++ is illegal.
True
False
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
struct stud
{
int roll;
char name[20];
float marks;
} *p;
What will be the byte size of p?
24
2
26
None
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
The output of the following code is:
void change (char *k)
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}
Hello
World
Compilation error
Hello World
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
A pointer is an indication of the variable to be accessed next.
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
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
fopen() function returns a pointer to the open file.
True
False