Variables declared as register storage type gets stored in CPU registers.
True
False
Correct Answer :
A. True
Related Questions
If 'str' is a string of 7 characters, the statement printf("%4s", str); will display ------characters.
4
7
6
0
The main() function can call itself recursively.
True
False
What is an array?
An array is a collection of variables that are of the dissimilar data type.
An array is a collection of variables that are of the same data type.
An array is not a collection of variables that are of the same data type.
None of the above.
Single operations involving entire arrays are permitted in C.
True
False
The output of the following code is:
void main()
{
int a = 20;
printf("%d\t%d
", ++a, a);
}
{
int a = 20;
printf("%d\t%d
", ++a, a);
}
21 21
20 21
21 20
20 20
The array 'char name[10] can consist of a maximum of 9 characters.
True
False
Which of the following shows the correct hierarchy of arithmetic operations in C
/ + *
* / +
+ / *
* / + -
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
The output of the following code is:
void main()
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
10
0
12
None of the above
Which among the following is a unconditional control structure
do-while
if-else
goto
for
The function fopen() on failure returns---------------------.
0
NULL
1
none of the above
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);
struct stud
{
int roll;
char name[20];
float marks;
} *p;
What will be the byte size of p?
24
2
26
None
What will be output if you will compile and execute the following c code?
#include
int main(){
int i=320;
char *ptr=(char *)&i;
printf("%d",*ptr);
return 0;
}
int main(){
int i=320;
char *ptr=(char *)&i;
printf("%d",*ptr);
return 0;
}
1
64
320
Compiler Error
unsigned' is a valid variable name.
True
False
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
printf() is not a library function.
True
False
The output of the following code is:
void main()
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
b=100 a=100
b=100 a=0
b=0 a=100
Error
An array declared as A[100][100] can hold a maximum of 100 elements.
True
False
Identify the wrong statement
putchar(65)
putchar('x')
putchar("x")
putchar('
')
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
A declaration float a, b; occupies ___ of memory
1 byte
4 bytes
8 bytes
16 bytes
printf("%d", sizeof('2')); will print 2.
True
False
Which one of the following is not a valid reserved keyword in C++
Explicit
Public
Implicit
Private
The contents of a file opened in 'r+' mode cannot be changed.
True
False
# define PI = 8;' is the correct declaration of macros.
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
What will be output if you will compile and execute the following c code?
#include
int main()
{
float a=5.2;
if(a==5.2)
printf("Equal");
else if(a<5.2)
printf("Less than");
else
printf("Greater than");
return 0;
}
int main()
{
float a=5.2;
if(a==5.2)
printf("Equal");
else if(a<5.2)
printf("Less than");
else
printf("Greater than");
return 0;
}
Less than
Equal
Greater than
None of above
Bitwise operators can operate upon?
double and chars
floats and doubles
ints and floats
ints and chars